From 64c055f9be03861661f8c211ae36ba0db489b12d Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <andreykproductengine@lindenlab.com>
Date: Thu, 26 Sep 2024 20:59:01 +0300
Subject: viewer#2653 fix texture readback not being called and not setting
 values properly

Ex: Saving textures to hard drive sometimes fails
---
 indra/newview/llviewertexture.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

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

diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 9e1cb84bd1..0f9c65893d 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -2495,6 +2495,11 @@ bool LLViewerFetchedTexture::doLoadedCallbacks()
         }
     }
 
+    if (need_readback)
+    {
+        readbackRawImage();
+    }
+
     //
     // Run raw/auxiliary data callbacks
     //
@@ -2744,10 +2749,22 @@ void LLViewerFetchedTexture::readbackRawImage()
     if (mGLTexturep.notNull() && mGLTexturep->getTexName() != 0 &&
         (mRawImage.isNull() || mRawImage->getWidth() < mGLTexturep->getWidth() || mRawImage->getHeight() < mGLTexturep->getHeight() ))
     {
+        if (mRawImage.isNull())
+        {
+            sRawCount++;
+        }
         mRawImage = new LLImageRaw();
         if (!mGLTexturep->readBackRaw(-1, mRawImage, false))
         {
             mRawImage = nullptr;
+            mIsRawImageValid = false;
+            mRawDiscardLevel = INVALID_DISCARD_LEVEL;
+            sRawCount--;
+        }
+        else
+        {
+            mIsRawImageValid = true;
+            mRawDiscardLevel = mGLTexturep->getDiscardLevel();
         }
     }
 }
-- 
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