From 97d41439c4c929f4b6a5148fa3e9eb5037411099 Mon Sep 17 00:00:00 2001
From: Nicky <nicky.dasmijn@posteo.nl>
Date: Mon, 1 Aug 2022 19:32:26 +0200
Subject: [PATCH] Disable texture decode thread if shared context are not
 available (SDL1).

---
 indra/llrender/llimagegl.cpp   | 10 ++++++++++
 indra/llwindow/llwindowsdl.cpp |  2 --
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 2088ab9003..7d6bf4f9ee 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -2434,6 +2434,16 @@ LLImageGLThread::LLImageGLThread(LLWindow* window)
     mFinished = false;
 
     mContext = mWindow->createSharedContext();
+	
+	// <FS:ND> If context creating is not supported (SDL1), mark texture thread disabled and exit
+	if( !mContext )
+	{
+		sEnabled = false;
+		mFinished = true;
+		return;
+	}
+	// </FS:ND>
+	
     ThreadPool::start();
 }
 
diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp
index 5b5dc56eed..0783b1bab7 100644
--- a/indra/llwindow/llwindowsdl.cpp
+++ b/indra/llwindow/llwindowsdl.cpp
@@ -3024,8 +3024,6 @@ std::vector<std::string> LLWindowSDL::getDynamicFallbackFontList()
 	return rtns;
 }
 
-#pragma GCC error "Unimplemented. Either disable threaded texture decoding, implent those methods or switch to SDL2."
-
 void* LLWindowSDL::createSharedContext()
 {
   LL_WARNS() << "Not available" << LL_ENDL;