From 8d23a7d1d407868ec10e3dee2b2b582e6e980794 Mon Sep 17 00:00:00 2001
From: Shyotl <Shyotl@gmail.com>
Date: Mon, 29 Aug 2011 03:46:13 -0500
Subject: [PATCH] LLViewerTexture now has the ability to prevent raw images
 from being dumped for a specified period of time. Unused for now. Relates to
 mesh import. Also, BOOST_PREVIEW textures bumped to PO2.

---
 indra/newview/llviewertexture.cpp | 31 ++++++++++++++++++++++++++++---
 indra/newview/llviewertexture.h   |  3 ++-
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 527ede3a2..29f233a57 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -1191,6 +1191,7 @@ void LLViewerFetchedTexture::init(bool firstinit)
 	mSavedRawDiscardLevel = -1 ;
 	mDesiredSavedRawDiscardLevel = -1 ;
 	mLastReferencedSavedRawImageTime = 0.0f ;
+	mKeptSavedRawImageTime = 0.f ;
 	mLastCallBackActiveTime = 0.f;
 }
 
@@ -1450,9 +1451,16 @@ BOOL LLViewerFetchedTexture::createTexture(S32 usename/*= 0*/)
 			mOrigWidth = mRawImage->getWidth();
 			mOrigHeight = mRawImage->getHeight();
 
-			// leave black border, do not scale image content
-			mRawImage->expandToPowerOfTwo(MAX_IMAGE_SIZE, FALSE);
 			
+			if (mBoostLevel == BOOST_PREVIEW)
+			{ 
+				mRawImage->biasedScaleToPowerOfTwo(1024);
+			}
+			else
+			{ // leave black border, do not scale image content
+				mRawImage->expandToPowerOfTwo(MAX_IMAGE_SIZE, FALSE);
+			}
+		
 			mFullWidth = mRawImage->getWidth();
 			mFullHeight = mRawImage->getHeight();
 			setTexelsPerImage();
@@ -2738,8 +2746,16 @@ void LLViewerFetchedTexture::saveRawImage()
 	mLastReferencedSavedRawImageTime = sCurrentTime ;
 }
 
-void LLViewerFetchedTexture::forceToSaveRawImage(S32 desired_discard) 
+void LLViewerFetchedTexture::forceToSaveRawImage(S32 desired_discard, F32 kept_time) 
 { 
+	mKeptSavedRawImageTime = kept_time ;
+	mLastReferencedSavedRawImageTime = sCurrentTime ;
+
+	if(mSavedRawDiscardLevel > -1 && mSavedRawDiscardLevel <= desired_discard)
+	{
+		return ; //raw imge is ready.
+	}
+
 	if(!mForceToSaveRawImage || mDesiredSavedRawDiscardLevel < 0 || mDesiredSavedRawDiscardLevel > desired_discard)
 	{
 		mForceToSaveRawImage = TRUE ;
@@ -2760,6 +2776,14 @@ void LLViewerFetchedTexture::forceToSaveRawImage(S32 desired_discard)
 }
 void LLViewerFetchedTexture::destroySavedRawImage()
 {
+	if(mLastReferencedSavedRawImageTime < mKeptSavedRawImageTime)
+	{
+		return ; //keep the saved raw image.
+	}
+
+	mForceToSaveRawImage  = FALSE ;
+	mSaveRawImage = FALSE ;
+
 	clearCallbackEntryList() ;
 	
 	mSavedRawImage = NULL ;
@@ -2768,6 +2792,7 @@ void LLViewerFetchedTexture::destroySavedRawImage()
 	mSavedRawDiscardLevel = -1 ;
 	mDesiredSavedRawDiscardLevel = -1 ;
 	mLastReferencedSavedRawImageTime = 0.0f ;
+	mKeptSavedRawImageTime = 0.f ;
 }
 
 LLImageRaw* LLViewerFetchedTexture::getSavedRawImage() 
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index 6488b2fc6..4520a92e2 100644
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -473,7 +473,7 @@ public:
 	S32         getCachedRawImageLevel() const {return mCachedRawDiscardLevel;}
 	BOOL        isCachedRawImageReady() const {return mCachedRawImageReady ;}
 	BOOL        isRawImageValid()const { return mIsRawImageValid ; }	
-	void        forceToSaveRawImage(S32 desired_discard = 0) ;
+	void        forceToSaveRawImage(S32 desired_discard = 0, F32 kept_time = 0.f) ;
 	/*virtual*/ void setCachedRawImage(S32 discard_level, LLImageRaw* imageraw) ;
 	void        destroySavedRawImage() ;
 	LLImageRaw* getSavedRawImage() ;
@@ -559,6 +559,7 @@ protected:
 	S32 mSavedRawDiscardLevel;
 	S32 mDesiredSavedRawDiscardLevel;
 	F32 mLastReferencedSavedRawImageTime ;
+	F32 mKeptSavedRawImageTime ;
 
 	//a small version of the copy of the raw image (<= 64 * 64)
 	LLPointer<LLImageRaw> mCachedRawImage;