2590 mac intel and radeon pro 5300m horrible fps 2 (#3030)

* OpenGL 3.3 compatibility pass.  Fix for FBO driven downscaling corrupting textures.
* Increase maximum texture bias, immediately scale down when textures are loaded higher resolution than desired
* #2590 Fix for some frame stalls on Intel Macs

1 files changed, 5 insertions, 0 deletions

diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index f083747bfe..dd13a4e8ea 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/indra/newview/llreflectionmapmanager.cpp
@@ -463,6 +463,11 @@ void LLReflectionMapManager::update()
 
 LLReflectionMap* LLReflectionMapManager::addProbe(LLSpatialGroup* group)
 {
+    if (gGLManager.mGLVersion < 4.05f)
+    {
+        return nullptr;
+    }
+
     LLReflectionMap* probe = new LLReflectionMap();
     probe->mGroup = group;