7 files changed, 37 insertions, 9 deletions
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index ac8bd4dc41..1fae8e518c 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -94,6 +94,12 @@ void LLStandardBumpmap::shutdown()
 // static 
 void LLStandardBumpmap::restoreGL()
 {
+	addstandard();
+}
+
+// static
+void LLStandardBumpmap::addstandard()
+{
 	llassert( LLStandardBumpmap::sStandardBumpmapCount == 0 );
 	gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount++] = LLStandardBumpmap("None");		// BE_NO_BUMP
 	gStandardBumpmapList[LLStandardBumpmap::sStandardBumpmapCount++] = LLStandardBumpmap("Brightness");	// BE_BRIGHTNESS
@@ -156,7 +162,7 @@ void LLStandardBumpmap::restoreGL()
 }
 
 // static
-void LLStandardBumpmap::destroyGL()
+void LLStandardBumpmap::clear()
 {
 	for( U32 i = 0; i < LLStandardBumpmap::sStandardBumpmapCount; i++ )
 	{
@@ -166,6 +172,12 @@ void LLStandardBumpmap::destroyGL()
 	sStandardBumpmapCount = 0;
 }
 
+// static
+void LLStandardBumpmap::destroyGL()
+{
+	clear();
+}
+
 
 
 ////////////////////////////////////////////////////////////////
@@ -1085,8 +1097,8 @@ void LLBumpImageList::generateNormalMapFromAlpha(LLImageRaw* src, LLImageRaw* nr
 
 			LLVector3 right = LLVector3(norm_scale, 0, (F32) src_data[(j*resX+rX)*src_cmp+src_cmp-1]-cH);
 			LLVector3 left = LLVector3(-norm_scale, 0, (F32) src_data[(j*resX+lX)*src_cmp+src_cmp-1]-cH);
-			LLVector3 up = LLVector3(0, -norm_scale, (F32) src_data[(rY*resX+i)*src_cmp+src_cmp-1]-cH);
-			LLVector3 down = LLVector3(0, norm_scale, (F32) src_data[(lY*resX+i)*src_cmp+src_cmp-1]-cH);
+			LLVector3 up = LLVector3(0, -norm_scale, (F32) src_data[(lY*resX+i)*src_cmp+src_cmp-1]-cH);
+			LLVector3 down = LLVector3(0, norm_scale, (F32) src_data[(rY*resX+i)*src_cmp+src_cmp-1]-cH);
 
 			LLVector3 norm = right%down + down%left + left%up + up%right;
 		
@@ -1196,11 +1208,8 @@ void LLBumpImageList::onSourceLoaded( BOOL success, LLViewerTexture *src_vi, LLI
 				F32 twice_one_over_range = 2.f / (maximum - minimum);
 				S32 i;
 
-				bool bump_polarity_negative = LLPipeline::sRenderDeferred ?
-					(BE_BRIGHTNESS == bump_code) : (BE_DARKNESS == bump_code); // deferred mode likes its normal map values inverted
-
 				const F32 ARTIFICIAL_SCALE = 2.f;  // Advantage: exaggerates the effect in midrange.  Disadvantage: clamps at the extremes.
-				if (bump_polarity_negative)
+				if (BE_DARKNESS == bump_code)
 				{
 					for( i = minimum; i <= maximum; i++ )
 					{
diff --git a/indra/newview/lldrawpoolbump.h b/indra/newview/lldrawpoolbump.h
index ceb72309d8..d634b7329e 100644
--- a/indra/newview/lldrawpoolbump.h
+++ b/indra/newview/lldrawpoolbump.h
@@ -124,9 +124,12 @@ public:
 
 	static	U32 sStandardBumpmapCount;  // Number of valid values in gStandardBumpmapList[]
 
+	static void clear();
+	static void addstandard();
+
 	static void init();
 	static void shutdown();
-	static void	restoreGL();
+	static void restoreGL();
 	static void destroyGL();
 };
 
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index f76c53a77a..481c96dae3 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -119,8 +119,10 @@ static bool handleTerrainDetailChanged(const LLSD& newvalue)
 
 static bool handleSetShaderChanged(const LLSD& newvalue)
 {
-	// changing shader level may invalidate existing cached ad-hoc bump maps, as the shader type determines the format of the bump map it expectes - clear the bump cache
+	// changing shader level may invalidate existing cached bump maps, as the shader type determines the format of the bump map it expects - clear the bump cache
 	gBumpImageList.clear();
+	LLStandardBumpmap::clear();
+	LLStandardBumpmap::addstandard();
 
 	LLViewerShaderMgr::instance()->setShaders();
 	return true;
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 3cd7af6433..1490f8153c 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -732,6 +732,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		{
 			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
 			LLMemType mt_ss(LLMemType::MTYPE_DISPLAY_STATE_SORT);
+			gPipeline.sAllowRebuildPriorityGroup = TRUE ;
 			gPipeline.stateSort(*LLViewerCamera::getInstance(), result);
 			stop_glerror();
 				
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index c470099594..cea964a100 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -1939,6 +1939,11 @@ void LLVOVolume::syncMediaData(S32 texture_index, const LLSD &media_data, bool m
 	}
 	
 	LLTextureEntry *te = getTE(texture_index);
+	if(!te)
+	{
+		return ;
+	}
+
 	LL_DEBUGS("MediaOnAPrim") << "BEFORE: texture_index = " << texture_index
 		<< " hasMedia = " << te->hasMedia() << " : " 
 		<< ((NULL == te->getMediaData()) ? "NULL MEDIA DATA" : ll_pretty_print_sd(te->getMediaData()->asLLSD())) << llendl;
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index f54f29927a..91c3805d3b 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -290,6 +290,7 @@ BOOL	LLPipeline::sRenderFrameTest = FALSE;
 BOOL	LLPipeline::sRenderAttachedLights = TRUE;
 BOOL	LLPipeline::sRenderAttachedParticles = TRUE;
 BOOL	LLPipeline::sRenderDeferred = FALSE;
+BOOL    LLPipeline::sAllowRebuildPriorityGroup = FALSE ;
 S32		LLPipeline::sVisibleLightCount = 0;
 F32		LLPipeline::sMinRenderSize = 0.f;
 
@@ -1810,6 +1811,12 @@ void LLPipeline::updateGL()
 
 void LLPipeline::rebuildPriorityGroups()
 {
+	if(!sAllowRebuildPriorityGroup)
+	{
+		return ;
+	}
+	sAllowRebuildPriorityGroup = FALSE ;
+
 	LLTimer update_timer;
 	LLMemType mt(LLMemType::MTYPE_PIPELINE);
 	
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index d8bac8b601..c9384f5ba2 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -489,6 +489,7 @@ public:
 	static BOOL				sRenderAttachedLights;
 	static BOOL				sRenderAttachedParticles;
 	static BOOL				sRenderDeferred;
+	static BOOL             sAllowRebuildPriorityGroup;
 	static S32				sVisibleLightCount;
 	static F32				sMinRenderSize;