From fc0b238654091c6090d5d85ceda51fbc6cb71eaa Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 23 Feb 2022 17:55:44 -0600
Subject: Fix for media textures failing to update (and eating lots of memory)
 on Mac/Intel

---
 indra/llrender/llimagegl.cpp | 23 ++++++++++++++---------
 indra/llrender/llimagegl.h   |  3 +++
 2 files changed, 17 insertions(+), 9 deletions(-)

(limited to 'indra/llrender')

diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 5cf3a2a15f..63f9a67e2c 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -1685,18 +1685,23 @@ void LLImageGL::syncToMainThread(LLGLuint new_tex_name)
         [=]()
         {
             LL_PROFILE_ZONE_NAMED("cglt - delete callback");
-            if (new_tex_name != 0)
-            {
-                if (mTexName != 0 && mTexName != new_tex_name)
-                {
-                    LLImageGL::deleteTextures(1, &mTexName);
-                }
-                mTexName = new_tex_name;
-                unref();
-            }
+            syncTexName(new_tex_name);
+            unref();
         });
 }
 
+void LLImageGL::syncTexName(LLGLuint texname)
+{
+    if (texname != 0)
+    {
+        if (mTexName != 0 && mTexName != texname)
+        {
+            LLImageGL::deleteTextures(1, &mTexName);
+        }
+        mTexName = texname;
+    }
+}
+
 BOOL LLImageGL::readBackRaw(S32 discard_level, LLImageRaw* imageraw, bool compressed_ok) const
 {
 	llassert_always(sAllowReadBackRaw) ;
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index 574d83c37e..4d5b60d6bc 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -304,6 +304,9 @@ public:
 	
     void setTexName(GLuint texName) { mTexName = texName; }
 
+    //similar to setTexName, but will call deleteTextures on mTexName if mTexName is not 0 or texname
+    void syncTexName(LLGLuint texname);
+
 	//for debug use: show texture size distribution 
 	//----------------------------------------
 	static S32 sCurTexSizeBar ;
-- 
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