#689 Fix for mirror stuttering.

2 files changed, 9 insertions, 2 deletions

diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 038858321c..28dd2a3c9a 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -1520,7 +1520,6 @@ bool LLAppViewer::doFrame()
                     LL_PROFILE_ZONE_NAMED_CATEGORY_APP("df Snapshot");
                     pingMainloopTimeout("Main:Snapshot");
                     gPipeline.mReflectionMapManager.update();
-                    gPipeline.mHeroProbeManager.update();
                     LLFloaterSnapshot::update(); // take snapshots
                     LLFloaterSimpleSnapshot::update();
                     gGLActive = FALSE;
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 6261f62fbe..1d168de80d 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -656,6 +656,14 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 	
 	if (!gDisconnected)
 	{
+		// Render mirrors and associated hero probes before we render the rest of the scene.
+		// This ensures the scene state in the hero probes are exactly the same as the rest of the scene before we render it.
+        if (gPipeline.RenderMirrors && !gSnapshot)
+        {
+            LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("Update hero probes");
+            gPipeline.mHeroProbeManager.update();
+        }
+
 		LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("display - 1");
 		LLAppViewer::instance()->pingMainloopTimeout("Display:Update");
 		if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
@@ -696,7 +704,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		}
 
 		gPipeline.updateGL();
-		
+
 		stop_glerror();
 
 		LLAppViewer::instance()->pingMainloopTimeout("Display:Cull");