viewer#2780 Speed up terrain loading on teleport

Terrain was arriving and processing too late resulting in issues like
"Lower terrain material incorrectly shown momentarily"

1 files changed, 12 insertions, 2 deletions

diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 0b79c2d8e0..868dde05db 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -30,6 +30,7 @@
 
 #include "llviewertexturelist.h"
 
+#include "llagent.h"
 #include "llgl.h" // fot gathering stats from GL
 #include "llimagegl.h"
 #include "llimagebmp.h"
@@ -815,10 +816,19 @@ void LLViewerTextureList::updateImages(F32 max_time)
             clearFetchingRequests();
             gPipeline.clearRebuildGroups();
             cleared = true;
+            return;
         }
-        return;
+        // ARRIVING is a delay to let things decode, cache and process,
+        // so process textures like normal despite gTeleportDisplay
+        if (gAgent.getTeleportState() != LLAgent::TELEPORT_ARRIVING)
+        {
+            return;
+        }
+    }
+    else
+    {
+        cleared = false;
     }
-    cleared = false;
 
     LLAppViewer::getTextureFetch()->setTextureBandwidth((F32)LLTrace::get_frame_recording().getPeriodMeanPerSec(LLStatViewer::TEXTURE_NETWORK_DATA_RECEIVED).value());