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, 3 deletions

diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index 65fa633f81..1da8548573 100644
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -410,6 +410,8 @@ public:
 
     /*virtual*/bool  isActiveFetching() override; //is actively in fetching by the fetching pipeline.
 
+    virtual bool scaleDown() { return false; };
+
     bool mCreatePending = false;    // if true, this is in gTextureList.mCreateTextureList
     mutable bool mDownScalePending = false; // if true, this is in gTextureList.mDownScaleQueue
 
@@ -527,12 +529,12 @@ public:
     LLViewerLODTexture(const LLUUID& id, FTType f_type, const LLHost& host = LLHost(), bool usemipmaps = true);
     LLViewerLODTexture(const std::string& url, FTType f_type, const LLUUID& id, bool usemipmaps = true);
 
-    /*virtual*/ S8 getType() const;
+    S8 getType() const override;
     // Process image stats to determine priority/quality requirements.
-    /*virtual*/ void processTextureStats();
+    void processTextureStats() override;
     bool isUpdateFrozen() ;
 
-    bool scaleDown();
+    bool scaleDown() override;
 
 private:
     void init(bool firstinit) ;