Merge pull request #6029 from secondlife/geenz/26.3-texture-streaming-revert

Remove texture streaming changes from 26.3

1 files changed, 12 insertions, 6 deletions

diff --git a/indra/newview/llvlcomposition.cpp b/indra/newview/llvlcomposition.cpp
index eb0261b5e5..3441e25c6a 100644
--- a/indra/newview/llvlcomposition.cpp
+++ b/indra/newview/llvlcomposition.cpp
@@ -173,10 +173,7 @@ LLPointer<LLViewerFetchedTexture> fetch_terrain_texture(const LLUUID& id)
         return nullptr;
     }
 
-    // LOD_TEXTURE so streaming math runs (the base-class processTextureStats
-    // pins mDesiredDiscardLevel at 0).
-    LLPointer<LLViewerFetchedTexture> tex = LLViewerTextureManager::getFetchedTexture(
-        id, FTT_DEFAULT, true, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
+    LLPointer<LLViewerFetchedTexture> tex = LLViewerTextureManager::getFetchedTexture(id);
     return tex;
 }
 
@@ -346,9 +343,18 @@ bool LLTerrainMaterials::makeTextureReady(LLPointer<LLViewerFetchedTexture>& tex
     {
         if (boost)
         {
-            // Quality is driven by the streaming math via synthetic signals
-            // for BOOST_TERRAIN textures in updateImageDecodePriority.
             boost_minimap_texture(tex, BASE_SIZE*BASE_SIZE);
+
+            S32 width = tex->getFullWidth();
+            S32 height = tex->getFullHeight();
+            S32 min_dim = llmin(width, height);
+            S32 ddiscard = 0;
+            while (min_dim > BASE_SIZE && ddiscard < MAX_DISCARD_LEVEL)
+            {
+                ddiscard++;
+                min_dim /= 2;
+            }
+            tex->setMinDiscardLevel(ddiscard);
         }
         return false;
     }