From aa51fae5a636dce911fe245d597d69a2ef14dfe9 Mon Sep 17 00:00:00 2001
From: myT <>
Date: Sun, 17 Sep 2023 01:53:15 +0200
Subject: [PATCH] fixed SMAA crash on device change

---
 code/renderer/grp_smaa.cpp | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/code/renderer/grp_smaa.cpp b/code/renderer/grp_smaa.cpp
index 3d114bd..01d3336 100644
--- a/code/renderer/grp_smaa.cpp
+++ b/code/renderer/grp_smaa.cpp
@@ -87,14 +87,30 @@ void SMAA::Update()
 	const bool resChanged = newWidth != width || newHeight != height;
 	const bool presetChanged = newMode != mode;
 
-	const bool createFixed = justEnabled && !fixedLoaded;
-	const bool destroyFixed = justDisabled && fixedLoaded;
+	bool createFixed = justEnabled && !fixedLoaded;
+	bool destroyFixed = justDisabled && fixedLoaded;
 
-	const bool createResDep = justEnabled || (alwaysEnabled && resChanged);
-	const bool destroyResDep = justDisabled || (alwaysEnabled && resChanged);
+	bool createResDep = justEnabled || (alwaysEnabled && resChanged);
+	bool destroyResDep = justDisabled || (alwaysEnabled && resChanged);
 
-	const bool createPresetDep = justEnabled || (alwaysEnabled && presetChanged);
-	const bool destroyPresetDep = justDisabled || (alwaysEnabled && presetChanged);
+	bool createPresetDep = justEnabled || (alwaysEnabled && presetChanged);
+	bool destroyPresetDep = justDisabled || (alwaysEnabled && presetChanged);
+
+	if(grp.firstInit)
+	{
+		// first init or device change: we have nothing to destroy
+		const bool enableSMAA = newMode != Mode::Disabled;
+		createFixed = enableSMAA;
+		createResDep = enableSMAA;
+		createPresetDep = enableSMAA;
+		destroyFixed = false;
+		destroyResDep = false;
+		destroyPresetDep = false;
+		mode = Mode::Disabled;
+		width = -1;
+		height = -1;
+		fixedLoaded = false;
+	}
 
 	if(destroyFixed || destroyResDep || destroyPresetDep)
 	{