From 20194e64aca192773a3db2f9e9be8ea3eef30f46 Mon Sep 17 00:00:00 2001
From: Rye Mutt <rye@alchemyviewer.org>
Date: Thu, 8 Jul 2021 22:25:58 -0400
Subject: [PATCH] Add extensions for GL 2.1 to CAS shader

---
 indra/newview/app_settings/shaders/class1/effects/CASF.glsl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/indra/newview/app_settings/shaders/class1/effects/CASF.glsl b/indra/newview/app_settings/shaders/class1/effects/CASF.glsl
index 81d20e4c3ea..8e726384488 100644
--- a/indra/newview/app_settings/shaders/class1/effects/CASF.glsl
+++ b/indra/newview/app_settings/shaders/class1/effects/CASF.glsl
@@ -23,6 +23,9 @@
  * $/LicenseInfo$
  */
 
+#extension GL_ARB_shader_texture_lod : enable
+#extension GL_EXT_gpu_shader4 : enable
+
 /*[EXTRA_CODE_HERE]*/
 
 #ifdef DEFINE_GL_FRAGCOLOR
-- 
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