From d17fd56dc42fcd35ef8cf2fe9e4cd7a26ce8ba2a Mon Sep 17 00:00:00 2001
From: Rye <rye@lindenlab.com>
Date: Tue, 10 Dec 2024 20:21:24 -0500
Subject: Fix crashes from shader load failures under RenderMaxOpenGLVersion
 3.1/3.2/3.3 (#3184)

---
 .../llfloaterpreferencesgraphicsadvanced.cpp        | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

(limited to 'indra/newview/llfloaterpreferencesgraphicsadvanced.cpp')

diff --git a/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp b/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp
index cf5b2d033b..8e8967ee3d 100644
--- a/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp
+++ b/indra/newview/llfloaterpreferencesgraphicsadvanced.cpp
@@ -63,17 +63,24 @@ LLFloaterPreferenceGraphicsAdvanced::~LLFloaterPreferenceGraphicsAdvanced()
 
 bool LLFloaterPreferenceGraphicsAdvanced::postBuild()
 {
-    // Don't do this on Mac as their braindead GL versioning
-    // sets this when 8x and 16x are indeed available
+    // Disable FSAA combo when shaders are not loaded
     //
-#if !LL_DARWIN
-    if (gGLManager.mIsIntel || gGLManager.mGLVersion < 3.f)
-    { //remove FSAA settings above "4x"
+    {
         LLComboBox* combo = getChild<LLComboBox>("fsaa");
-        combo->remove("8x");
-        combo->remove("16x");
+        if (!gFXAAProgram[0].isComplete())
+            combo->remove("FXAA");
+
+        if (!gSMAAEdgeDetectProgram[0].isComplete())
+            combo->remove("SMAA");
+
+        if (!gFXAAProgram[0].isComplete() && !gSMAAEdgeDetectProgram[0].isComplete())
+        {
+            combo->setEnabled(false);
+            getChild<LLComboBox>("fsaa quality")->setEnabled(false);
+        }
     }
 
+#if !LL_DARWIN
     LLCheckBoxCtrl *use_HiDPI = getChild<LLCheckBoxCtrl>("use HiDPI");
     use_HiDPI->setVisible(false);
 #endif
-- 
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