Take a stab at baked sunlight to help low end hardware.

6 files changed, 75 insertions, 5 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 4c72b03b2e..9b7cc04120 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -6313,6 +6313,7 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
+ 
   <key>RenderAnimateRes</key>
   <map>
     <key>Comment</key>
@@ -6324,7 +6325,31 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
-  
+
+  <key>RenderBakeSunlight</key>
+  <map>
+    <key>Comment</key>
+    <string>Bake sunlight into vertex buffers for static objects.</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
+
+  <key>RenderNoAlpha</key>
+  <map>
+    <key>Comment</key>
+    <string>Disable rendering of alpha objects (render all alpha objects as alpha masks).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
+
   <key>RenderAnimateTrees</key>
   <map>
     <key>Comment</key>
@@ -6481,6 +6506,18 @@
     <real>16.0</real>
    </map>
 
+  <key>RenderMinimumLODTriangleCount</key>
+  <map>
+    <key>Comment</key>
+    <string>Triangle count threshold at which automatic LOD generation stops</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>U32</string>
+    <key>Value</key>
+    <real>16</real>
+  </map>
+
   <key>RenderEdgeDepthCutoff</key>
   <map>
     <key>Comment</key>
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 9df692e787..365f2fbe1a 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -896,6 +896,11 @@ void LLFace::updateRebuildFlags()
 
 bool LLFace::canRenderAsMask()
 {
+	if (LLPipeline::sNoAlpha)
+	{
+		return true;
+	}
+
 	const LLTextureEntry* te = getTextureEntry();
 	return (
 		(
@@ -1205,6 +1210,10 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		mVObjp->getVolume()->genBinormals(f);
 	}
 
+	//if it's not fullbright and has no normals, bake sunlight based on face normal
+	bool bake_sunlight = !getTextureEntry()->getFullbright() &&
+		!mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL);
+
 	for (S32 i = 0; i < num_vertices; i++)
 	{
 		if (rebuild_tcoord)
@@ -1382,7 +1391,19 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (rebuild_color)
 		{
-			*colors++ = color;		
+			if (bake_sunlight)
+			{
+				LLVector3 normal = vf.mVertices[i].mNormal * mat_normal;
+				normal.normVec();
+				
+				F32 da = normal * gPipeline.mSunDir;
+
+				*colors++ = LLColor4U(color.mV[0]*da, color.mV[1]*da, color.mV[2]*da, color.mV[3]);
+			}
+			else
+			{
+				*colors++ = color;		
+			}
 		}
 	}
 
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index 54323a4fad..f76c53a77a 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -506,6 +506,8 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("RenderTerrainDetail")->getSignal()->connect(boost::bind(&handleTerrainDetailChanged, _2));
 	gSavedSettings.getControl("RenderUseTriStrips")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderAnimateTrees")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
+	gSavedSettings.getControl("RenderBakeSunlight")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
+	gSavedSettings.getControl("RenderNoAlpha")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderAvatarVP")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("VertexShaderEnable")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderUIBuffer")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index b120f5abf3..c470099594 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -3516,6 +3516,8 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 					vobj->isMesh() && 
 					gMeshRepo.getSkinInfo(vobj->getVolume()->getParams().getSculptID());
 
+		bool bake_sunlight = LLPipeline::sBakeSunlight && drawablep->isStatic();
+
 		//for each face
 		for (S32 i = 0; i < drawablep->getNumFaces(); i++)
 		{
@@ -3715,7 +3717,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 							bump_faces.push_back(facep);
 						}
 						else if ((te->getShiny() && LLPipeline::sRenderBump) ||
-							!te->getFullbright())
+							!(te->getFullbright() || bake_sunlight))
 						{ //needs normal
 							simple_faces.push_back(facep);
 						}
@@ -3925,6 +3927,8 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			buffer_index = 0;
 		}
 
+		bool bake_sunlight = LLPipeline::sBakeSunlight && facep->getDrawable()->isStatic(); 
+
 		U32 index_count = facep->getIndicesCount();
 		U32 geom_count = facep->getGeomCount();
 
@@ -4030,7 +4034,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				// can we safely treat this as an alpha mask?
 				if (facep->canRenderAsMask())
 				{
-					if (te->getFullbright())
+					if (te->getFullbright() || LLPipeline::sNoAlpha)
 					{
 						registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK);
 					}
@@ -4094,7 +4098,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				{ //invisiprim
 					registerFace(group, facep, LLRenderPass::PASS_INVISIBLE);
 				}
-				else if (fullbright)
+				else if (fullbright || bake_sunlight)
 				{ //fullbright
 					registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT);
 					if (LLPipeline::sRenderDeferred && LLPipeline::sRenderBump && te->getBumpmap())
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index dbd7f86447..f54f29927a 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -275,6 +275,8 @@ BOOL	LLPipeline::sAutoMaskAlphaDeferred = TRUE;
 BOOL	LLPipeline::sAutoMaskAlphaNonDeferred = FALSE;
 BOOL	LLPipeline::sDisableShaders = FALSE;
 BOOL	LLPipeline::sRenderBump = TRUE;
+BOOL	LLPipeline::sBakeSunlight = FALSE;
+BOOL	LLPipeline::sNoAlpha = FALSE;
 BOOL	LLPipeline::sUseTriStrips = TRUE;
 BOOL	LLPipeline::sUseFarClip = TRUE;
 BOOL	LLPipeline::sShadowRender = FALSE;
@@ -5487,6 +5489,8 @@ void LLPipeline::resetVertexBuffers()
 	sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
 	sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
 	LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
+	sBakeSunlight = gSavedSettings.getBOOL("RenderBakeSunlight");
+	sNoAlpha = gSavedSettings.getBOOL("RenderNoAlpha");
 
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 2c14b94847..d8bac8b601 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -472,6 +472,8 @@ public:
 	static BOOL				sAutoMaskAlphaNonDeferred;
 	static BOOL				sDisableShaders; // if TRUE, rendering will be done without shaders
 	static BOOL				sRenderBump;
+	static BOOL				sBakeSunlight;
+	static BOOL				sNoAlpha;
 	static BOOL				sUseTriStrips;
 	static BOOL				sUseFarClip;
 	static BOOL				sShadowRender;