From 86af122855c4d88ebc45709c297ef9e439f9a43d Mon Sep 17 00:00:00 2001
From: Erik Kundiman <erik@megapahit.org>
Date: Mon, 11 Sep 2023 14:01:58 +0800
Subject: Try not to use non portable glDrawBuffer

---
 indra/llrender/llrendertarget.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 6144342c86..ffe028c087 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -430,7 +430,8 @@ void LLRenderTarget::bindTarget()
             
     if (mTex.empty())
     { //no color buffer to draw to
-        glDrawBuffer(GL_NONE);
+        GLenum drawbuffers[] = {GL_NONE};
+        glDrawBuffers(0, drawbuffers);
         glReadBuffer(GL_NONE);
     }
 
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