merge

1 files changed, 17 insertions, 1 deletions

diff --git a/indra/newview/llface.h b/indra/newview/llface.h
index 2b134c8c31..68eee061b8 100644
--- a/indra/newview/llface.h
+++ b/indra/newview/llface.h
@@ -188,6 +188,9 @@ public:
 	void		setIndicesIndex(S32 idx) { mIndicesIndex = idx; }
 	void		setDrawInfo(LLDrawInfo* draw_info);
 
+	F32         getTextureVirtualSize() ;
+	F32         getImportanceToCamera()const {return mImportanceToCamera ;}
+
 	//for atlas
 	LLTextureAtlasSlot*   getAtlasInfo() ;
 	void                  setAtlasInUse(BOOL flag);
@@ -200,6 +203,12 @@ public:
 	void                  removeAtlas() ;
 	BOOL                  switchTexture() ;
 
+private:	
+	F32         adjustPartialOverlapPixelArea(F32 cos_angle_to_view_dir, F32 radius );
+	F32         calcPixelArea(F32& cos_angle_to_view_dir, F32& radius) ;
+public:
+	static F32  calcImportanceToCamera(F32 to_view_dir, F32 dist);
+
 public:
 	
 	LLVector3		mCenterLocal;
@@ -214,7 +223,7 @@ public:
 	LLMatrix4*	mTextureMatrix;
 	LLDrawInfo* mDrawInfo;
 
-protected:
+private:
 	friend class LLGeometryManager;
 	friend class LLVolumeGeometryManager;
 
@@ -244,6 +253,13 @@ protected:
 	F32			mVSize;
 	F32			mPixelArea;
 
+	//importance factor, in the range [0, 1.0].
+	//1.0: the most important.
+	//based on the distance from the face to the view point and the angle from the face center to the view direction.
+	F32         mImportanceToCamera ; 
+	F32         mBoundingSphereRadius ;
+
+
 	//atlas
 	LLPointer<LLTextureAtlasSlot> mAtlasInfop ;
 	BOOL                          mUsingAtlas ;