Bulk of mesh. Excluded via #if MESH_ENABLED. LLModel still needs updated for strided vbos, Collada SDK needs to be wrangled, and misc pieces need to be found and brought over. Skipping inventory stuff until meshes are at least displayable.

2011-07-23 03:26:30 -05:00
parent 179193d173
commit 1e92e734d8
29 changed files with 10133 additions and 92 deletions
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -2079,6 +2079,14 @@ LLVolume::LLVolume(const LLVolumeParams &params, const F32 detail, const BOOL ge
 	mFaceMask = 0x0;
 	mDetail = detail;
 	mSculptLevel = -2;
+#if MESH_ENABLED
+	mIsTetrahedron = FALSE;
+	mLODScaleBias.setVec(1,1,1);
+	mHullPoints = NULL;
+	mHullIndices = NULL;
+	mNumHullPoints = 0;
+	mNumHullIndices = 0;
+#endif //MESH_ENABLED
 	
 	// set defaults
 	if (mParams.getPathParams().getCurveType() == LL_PCODE_PATH_FLEXIBLE)
@@ -2386,9 +2394,461 @@ bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs
 	return retval;
 }

+#if MESH_ENABLED
+bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)
+{
+	//input stream is now pointing at a zlib compressed block of LLSD
+	//decompress block
+	LLSD mdl;
+	if (!unzip_llsd(mdl, is, size))
+	{
+		llwarns << "not a valid mesh asset!" << llendl;
+		return false;
+	}
+	
+	{
+		U32 face_count = mdl.size();

+		if (face_count == 0)
+		{ //no faces unpacked, treat as failed decode
+			llwarns << "found no faces!" << llendl;
+			return false;
+		}
+
+		mVolumeFaces.resize(face_count);
+
+		for (U32 i = 0; i < face_count; ++i)
+		{
+			LLVolumeFace& face = mVolumeFaces[i];
+
+			if (mdl[i].has("NoGeometry"))
+			{ //face has no geometry, continue
+				face.resizeIndices(3);
+				face.resizeVertices(1);
+				memset(face.mPositions, 0, sizeof(LLVector4a));
+				memset(face.mNormals, 0, sizeof(LLVector4a));
+				memset(face.mTexCoords, 0, sizeof(LLVector2));
+				memset(face.mIndices, 0, sizeof(U16)*3);
+				continue;
+			}
+
+			LLSD::Binary pos = mdl[i]["Position"];
+			LLSD::Binary norm = mdl[i]["Normal"];
+			LLSD::Binary tc = mdl[i]["TexCoord0"];
+			LLSD::Binary idx = mdl[i]["TriangleList"];
+
+			
+
+			//copy out indices
+			face.resizeIndices(idx.size()/2);
+			
+			if (idx.empty() || face.mNumIndices < 3)
+			{ //why is there an empty index list?
+				llwarns <<"Empty face present!" << llendl;
+				continue;
+			}
+
+			U16* indices = (U16*) &(idx[0]);
+			U32 count = idx.size()/2;
+			for (U32 j = 0; j < count; ++j)
+			{
+				face.mIndices[j] = indices[j];
+			}
+
+			//copy out vertices
+			U32 num_verts = pos.size()/(3*2);
+			face.resizeVertices(num_verts);
+
+			LLVector3 minp;
+			LLVector3 maxp;
+			LLVector2 min_tc; 
+			LLVector2 max_tc; 
+		
+			minp.setValue(mdl[i]["PositionDomain"]["Min"]);
+			maxp.setValue(mdl[i]["PositionDomain"]["Max"]);
+			LLVector4a min_pos, max_pos;
+			min_pos.load3(minp.mV);
+			max_pos.load3(maxp.mV);
+
+			min_tc.setValue(mdl[i]["TexCoord0Domain"]["Min"]);
+			max_tc.setValue(mdl[i]["TexCoord0Domain"]["Max"]);
+
+			LLVector4a pos_range;
+			pos_range.setSub(max_pos, min_pos);
+			LLVector2 tc_range2 = max_tc - min_tc;
+			LLVector4a tc_range;
+			tc_range.set(tc_range2[0], tc_range2[1], tc_range2[0], tc_range2[1]);
+			LLVector4a min_tc4(min_tc[0], min_tc[1], min_tc[0], min_tc[1]);
+
+			LLVector4a* pos_out = face.mPositions;
+			LLVector4a* norm_out = face.mNormals;
+			LLVector4a* tc_out = (LLVector4a*) face.mTexCoords;
+
+			{
+				U16* v = (U16*) &(pos[0]);
+				for (U32 j = 0; j < num_verts; ++j)
+				{
+					pos_out->set((F32) v[0], (F32) v[1], (F32) v[2]);
+					pos_out->div(65535.f);
+					pos_out->mul(pos_range);
+					pos_out->add(min_pos);
+					pos_out++;
+					v += 3;
+				}
+
+			}
+
+			{
+				U16* n = (U16*) &(norm[0]);
+				if(n)
+				{
+					for (U32 j = 0; j < num_verts; ++j)
+					{
+						norm_out->set((F32) n[0], (F32) n[1], (F32) n[2]);
+						norm_out->div(65535.f);
+						norm_out->mul(2.f);
+						norm_out->sub(1.f);
+						norm_out++;
+						n += 3;
+					}
+				}
+			}
+
+			{
+				U16* t = (U16*) &(tc[0]);
+				if(t)
+				{
+					for (U32 j = 0; j < num_verts; j+=2)
+					{
+						if (j < num_verts-1)
+						{
+							tc_out->set((F32) t[0], (F32) t[1], (F32) t[2], (F32) t[3]);
+						}
+						else
+						{
+							tc_out->set((F32) t[0], (F32) t[1], 0.f, 0.f);
+						}
+
+						t += 4;
+
+						tc_out->div(65535.f);
+						tc_out->mul(tc_range);
+						tc_out->add(min_tc4);
+
+						tc_out++;
+					}
+				}
+			}
+
+			if (mdl[i].has("Weights"))
+			{
+				face.allocateWeights(num_verts);
+
+				LLSD::Binary weights = mdl[i]["Weights"];
+
+				U32 idx = 0;
+
+				U32 cur_vertex = 0;
+				while (idx < weights.size() && cur_vertex < num_verts)
+				{
+					const U8 END_INFLUENCES = 0xFF;
+					U8 joint = weights[idx++];
+
+					U32 cur_influence = 0;
+					LLVector4 wght(0,0,0,0);
+
+					while (joint != END_INFLUENCES && idx < weights.size())
+					{
+						U16 influence = weights[idx++];
+						influence |= ((U16) weights[idx++] << 8);
+
+						F32 w = llclamp((F32) influence / 65535.f, 0.f, 0.99999f);
+						wght.mV[cur_influence++] = (F32) joint + w;
+
+						if (cur_influence >= 4)
+						{
+							joint = END_INFLUENCES;
+						}
+						else
+						{
+							joint = weights[idx++];
+						}
+					}
+
+					face.mWeights[cur_vertex].loadua(wght.mV);
+
+					cur_vertex++;
+				}
+
+				if (cur_vertex != num_verts || idx != weights.size())
+				{
+					llwarns << "Vertex weight count does not match vertex count!" << llendl;
+				}
+					
+			}
+
+			// modifier flags?
+			bool do_mirror = (mParams.getSculptType() & LL_SCULPT_FLAG_MIRROR);
+			bool do_invert = (mParams.getSculptType() &LL_SCULPT_FLAG_INVERT);
+			
+			
+			// translate to actions:
+			bool do_reflect_x = false;
+			bool do_reverse_triangles = false;
+			bool do_invert_normals = false;
+			
+			if (do_mirror)
+			{
+				do_reflect_x = true;
+				do_reverse_triangles = !do_reverse_triangles;
+			}
+			
+			if (do_invert)
+			{
+				do_invert_normals = true;
+				do_reverse_triangles = !do_reverse_triangles;
+			}
+			
+			// now do the work
+
+			if (do_reflect_x)
+			{
+				LLVector4a* p = (LLVector4a*) face.mPositions;
+				LLVector4a* n = (LLVector4a*) face.mNormals;
+				
+				for (S32 i = 0; i < face.mNumVertices; i++)
+				{
+					p[i].mul(-1.0f);
+					n[i].mul(-1.0f);
+				}
+			}
+
+			if (do_invert_normals)
+			{
+				LLVector4a* n = (LLVector4a*) face.mNormals;
+				
+				for (S32 i = 0; i < face.mNumVertices; i++)
+				{
+					n[i].mul(-1.0f);
+				}
+			}
+
+			if (do_reverse_triangles)
+			{
+				for (U32 j = 0; j < face.mNumIndices; j += 3)
+				{
+					// swap the 2nd and 3rd index
+					S32 swap = face.mIndices[j+1];
+					face.mIndices[j+1] = face.mIndices[j+2];
+					face.mIndices[j+2] = swap;
+				}
+			}
+
+			//calculate bounding box
+			LLVector4a& min = face.mExtents[0];
+			LLVector4a& max = face.mExtents[1];
+
+			if (face.mNumVertices < 3)
+			{ //empty face, use a dummy 1cm (at 1m scale) bounding box
+				min.splat(-0.005f);
+				max.splat(0.005f);
+			}
+			else
+			{
+				min = max = face.mPositions[0];
+
+				for (S32 i = 1; i < face.mNumVertices; ++i)
+				{
+					min.setMin(min, face.mPositions[i]);
+					max.setMax(max, face.mPositions[i]);
+				}
+			}
+		}
+	}
+	
+	mSculptLevel = 0;  // success!
+
+	cacheOptimize();
+
+	return true;
+}
+
+void tetrahedron_set_normal(LLVolumeFace::VertexData* cv)
+{
+	LLVector4a v0;
+	v0.setSub(cv[1].getPosition(), cv[0].getNormal());
+	LLVector4a v1;
+	v1.setSub(cv[2].getNormal(), cv[0].getPosition());
+	
+	cv[0].getNormal().setCross3(v0,v1);
+	cv[0].getNormal().normalize3fast();
+	cv[1].setNormal(cv[0].getNormal());
+	cv[2].setNormal(cv[1].getNormal());
+}
+
+BOOL LLVolume::isTetrahedron()
+{
+	return mIsTetrahedron;
+}
+
+void LLVolume::makeTetrahedron()
+{
+	mVolumeFaces.clear();
+
+	LLVolumeFace face;
+
+	F32 x = 0.25f;
+	LLVector4a p[] = 
+	{ //unit tetrahedron corners
+		LLVector4a(x,x,x),
+		LLVector4a(-x,-x,x),
+		LLVector4a(-x,x,-x),
+		LLVector4a(x,-x,-x)
+	};
+
+	face.mExtents[0].splat(-x);
+	face.mExtents[1].splat(x);
+	
+	LLVolumeFace::VertexData cv[3];
+
+	//set texture coordinates
+	cv[0].mTexCoord = LLVector2(0,0);
+	cv[1].mTexCoord = LLVector2(1,0);
+	cv[2].mTexCoord = LLVector2(0.5f, 0.5f*F_SQRT3);
+
+
+	//side 1
+	cv[0].setPosition(p[1]);
+	cv[1].setPosition(p[0]);
+	cv[2].setPosition(p[2]);
+
+	tetrahedron_set_normal(cv);
+
+	face.resizeVertices(12);
+	face.resizeIndices(12);
+
+	LLVector4a* v = (LLVector4a*) face.mPositions;
+	LLVector4a* n = (LLVector4a*) face.mNormals;
+	LLVector2* tc = (LLVector2*) face.mTexCoords;
+
+	v[0] = cv[0].getPosition();
+	v[1] = cv[1].getPosition();
+	v[2] = cv[2].getPosition();
+	v += 3;
+
+	n[0] = cv[0].getNormal();
+	n[1] = cv[1].getNormal();
+	n[2] = cv[2].getNormal();
+	n += 3;
+
+	tc[0] = cv[0].mTexCoord;
+	tc[1] = cv[1].mTexCoord;
+	tc[2] = cv[2].mTexCoord;
+	tc += 3;
+
+	
+	//side 2
+	cv[0].setPosition(p[3]);
+	cv[1].setPosition(p[0]);
+	cv[2].setPosition(p[1]);
+
+	tetrahedron_set_normal(cv);
+
+	v[0] = cv[0].getPosition();
+	v[1] = cv[1].getPosition();
+	v[2] = cv[2].getPosition();
+	v += 3;
+
+	n[0] = cv[0].getNormal();
+	n[1] = cv[1].getNormal();
+	n[2] = cv[2].getNormal();
+	n += 3;
+
+	tc[0] = cv[0].mTexCoord;
+	tc[1] = cv[1].mTexCoord;
+	tc[2] = cv[2].mTexCoord;
+	tc += 3;
+	
+	//side 3
+	cv[0].setPosition(p[3]);
+	cv[1].setPosition(p[1]);
+	cv[2].setPosition(p[2]);
+
+	tetrahedron_set_normal(cv);
+
+	v[0] = cv[0].getPosition();
+	v[1] = cv[1].getPosition();
+	v[2] = cv[2].getPosition();
+	v += 3;
+
+	n[0] = cv[0].getNormal();
+	n[1] = cv[1].getNormal();
+	n[2] = cv[2].getNormal();
+	n += 3;
+
+	tc[0] = cv[0].mTexCoord;
+	tc[1] = cv[1].mTexCoord;
+	tc[2] = cv[2].mTexCoord;
+	tc += 3;
+	
+	//side 4
+	cv[0].setPosition(p[2]);
+	cv[1].setPosition(p[0]);
+	cv[2].setPosition(p[3]);
+
+	tetrahedron_set_normal(cv);
+
+	v[0] = cv[0].getPosition();
+	v[1] = cv[1].getPosition();
+	v[2] = cv[2].getPosition();
+	v += 3;
+
+	n[0] = cv[0].getNormal();
+	n[1] = cv[1].getNormal();
+	n[2] = cv[2].getNormal();
+	n += 3;
+
+	tc[0] = cv[0].mTexCoord;
+	tc[1] = cv[1].mTexCoord;
+	tc[2] = cv[2].mTexCoord;
+	tc += 3;
+	
+	//set index buffer
+	for (U16 i = 0; i < 12; i++)
+	{
+		face.mIndices[i] = i;
+	}
+	
+	mVolumeFaces.push_back(face);
+	mSculptLevel = 0;
+	mIsTetrahedron = TRUE;
+}
+
+void LLVolume::copyVolumeFaces(const LLVolume* volume)
+{
+	mVolumeFaces = volume->mVolumeFaces;
+	mSculptLevel = 0;
+	mIsTetrahedron = FALSE;
+}
+
+void LLVolume::cacheOptimize()
+{
+	for (S32 i = 0; i < mVolumeFaces.size(); ++i)
+	{
+		mVolumeFaces[i].cacheOptimize();
+	}
+}
+#endif //MESH_ENABLED
 S32	LLVolume::getNumFaces() const
 {
+#if MESH_ENABLED
+	U8 sculpt_type = (mParams.getSculptType() & LL_SCULPT_TYPE_MASK);
+
+	if (sculpt_type == LL_SCULPT_TYPE_MESH)
+	{
+		return LL_SCULPT_MESH_MAX_FACES;
+	}
+#endif //MESH_ENABLED
 	return (S32)mProfilep->mFaces.size();
 }

@@ -2854,6 +3314,13 @@ bool LLVolumeParams::isSculpt() const
 	return mSculptID.notNull();
 }

+#if MESH_ENABLED
+bool LLVolumeParams::isMeshSculpt() const
+{
+	return isSculpt() && ((mSculptType & LL_SCULPT_TYPE_MASK) == LL_SCULPT_TYPE_MESH);
+}
+#endif //MESH_ENABLED
+
 bool LLVolumeParams::operator==(const LLVolumeParams &params) const
 {
 	return ( (getPathParams() == params.getPathParams()) &&
@@ -3999,6 +4466,13 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices,
 	vertices.clear();
 	normals.clear();

+#if MESH_ENABLED
+	if ((mParams.getSculptType() & LL_SCULPT_TYPE_MASK) == LL_SCULPT_TYPE_MESH)
+	{
+		return;
+	}
+#endif //MESH_ENABLED
+
 	S32 cur_index = 0;
 	//for each face
 	for (face_list_t::iterator iter = mVolumeFaces.begin();
@@ -4191,7 +4665,6 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices,
 						norm_mat.rotate(n[v2], t);
 						t.normalize3fast();
 						normals.push_back(LLVector3(t[0], t[1], t[2]));
-
 					}
 				}		
 			}
@@ -5072,6 +5545,9 @@ LLVolumeFace::LLVolumeFace(const LLVolumeFace& src)
 	mBinormals(NULL),
 	mTexCoords(NULL),
 	mIndices(NULL),
+#if MESH_ENABLED
+	mWeights(NULL),
+#endif //MESH_ENABLED
 	mOctree(NULL)
 { 
 	mExtents = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*3);
@@ -5128,6 +5604,18 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src)
 			mBinormals = NULL;
 		}

+#if MESH_ENABLED
+		if (src.mWeights)
+		{
+			allocateWeights(src.mNumVertices);
+			LLVector4a::memcpyNonAliased16((F32*) mWeights, (F32*) src.mWeights, vert_size);
+		}
+		else
+		{
+			ll_aligned_free_16(mWeights);
+			mWeights = NULL;
+		}
+#endif //MESH_ENABLED
 	}
 	if (mNumIndices)
 	{
@@ -5160,6 +5648,10 @@ void LLVolumeFace::freeData()
 	mIndices = NULL;
 	ll_aligned_free_16(mBinormals);
 	mBinormals = NULL;
+#if MESH_ENABLED
+	ll_aligned_free_16(mWeights);
+	mWeights = NULL;
+#endif //MESH_ENABLED

 	delete mOctree;
 	mOctree = NULL;
@@ -5685,6 +6177,13 @@ void LLVolumeFace::cacheOptimize()
 	S32 size = ((num_verts*sizeof(LLVector2)) + 0xF) & ~0xF;
 	LLVector2* tc = (LLVector2*) ll_aligned_malloc_16(size);

+#if MESH_ENABLED
+	LLVector4a* wght = NULL;
+	if (mWeights)
+	{
+		wght = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
+	}
+#endif //MESH_ENABLED

 	LLVector4a* binorm = NULL;
 	if (mBinormals)
@@ -5708,6 +6207,12 @@ void LLVolumeFace::cacheOptimize()
 			pos[cur_idx] = mPositions[idx];
 			norm[cur_idx] = mNormals[idx];
 			tc[cur_idx] = mTexCoords[idx];
+#if MESH_ENABLED
+			if (mWeights)
+			{
+				wght[cur_idx] = mWeights[idx];
+			}
+#endif //MESH_ENABLED
 			if (mBinormals)
 			{
 				binorm[cur_idx] = mBinormals[idx];
@@ -5725,11 +6230,17 @@ void LLVolumeFace::cacheOptimize()
 	ll_aligned_free_16(mPositions);
 	ll_aligned_free_16(mNormals);
 	ll_aligned_free_16(mTexCoords);
+#if MESH_ENABLED
+	ll_aligned_free_16(mWeights);
+#endif //MESH_ENABLED
 	ll_aligned_free_16(mBinormals);

 	mPositions = pos;
 	mNormals = norm;
 	mTexCoords = tc;
+#if MESH_ENABLED
+	mWeights = wght;
+#endif //MESH_ENABLED
 	mBinormals = binorm;

 	//std::string result = llformat("ACMR pre/post: %.3f/%.3f  --  %d triangles %d breaks", pre_acmr, post_acmr, mNumIndices/3, breaks);
@@ -6512,6 +7023,14 @@ void LLVolumeFace::allocateBinormals(S32 num_verts)
 	mBinormals = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
 }

+#if MESH_ENABLED
+void LLVolumeFace::allocateWeights(S32 num_verts)
+{
+	ll_aligned_free_16(mWeights);
+	mWeights = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts);
+}
+#endif //MESH_ENABLED
+
 void LLVolumeFace::resizeIndices(S32 num_indices)
 {
 	ll_aligned_free_16(mIndices);
@@ -6673,8 +7192,9 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 	{
 		resizeVertices(num_vertices);
 		resizeIndices(num_indices);
-
-		//if ((volume->getParams().getSculptType() & LL_SCULPT_TYPE_MASK) != LL_SCULPT_TYPE_MESH)
+#if MESH_ENABLED
+		if ((volume->getParams().getSculptType() & LL_SCULPT_TYPE_MASK) != LL_SCULPT_TYPE_MESH)
+#endif //MESH_ENABLED
 		{
 			mEdge.resize(num_indices);
 		}
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -191,12 +191,21 @@ const U8 LL_SCULPT_TYPE_SPHERE    = 1;
 const U8 LL_SCULPT_TYPE_TORUS     = 2;
 const U8 LL_SCULPT_TYPE_PLANE     = 3;
 const U8 LL_SCULPT_TYPE_CYLINDER  = 4;
-
+#if MESH_ENABLED
+const U8 LL_SCULPT_TYPE_MESH      = 5;
+const U8 LL_SCULPT_TYPE_MASK      = LL_SCULPT_TYPE_SPHERE | LL_SCULPT_TYPE_TORUS | LL_SCULPT_TYPE_PLANE |
+	LL_SCULPT_TYPE_CYLINDER | LL_SCULPT_TYPE_MESH;
+#endif //MESH_ENABLED
+#if !MESH_ENABLED
 const U8 LL_SCULPT_TYPE_MASK      = LL_SCULPT_TYPE_SPHERE | LL_SCULPT_TYPE_TORUS | LL_SCULPT_TYPE_PLANE | LL_SCULPT_TYPE_CYLINDER;
+#endif //!MESH_ENABLED

 const U8 LL_SCULPT_FLAG_INVERT    = 64;
 const U8 LL_SCULPT_FLAG_MIRROR    = 128;

+#if MESH_ENABLED
+const S32 LL_SCULPT_MESH_MAX_FACES = 8;
+#endif //MESH_ENABLED

 class LLProfileParams
 {
@@ -646,6 +655,9 @@ public:
 	const LLUUID& getSculptID() const	{ return mSculptID;						}
 	const U8& getSculptType() const     { return mSculptType;                   }
 	bool isSculpt() const;
+ #if MESH_ENABLED
+ 	bool isMeshSculpt() const;
+ #endif //MESH_ENABLED
 	BOOL isConvex() const;

 	// 'begin' and 'end' should be in range [0, 1] (they will be clamped)
@@ -853,6 +865,9 @@ public:

 	void resizeVertices(S32 num_verts);
 	void allocateBinormals(S32 num_verts);
+ #if MESH_ENABLED
+	void allocateWeights(S32 num_verts);
+ #endif //MESH_ENABLED
 	void resizeIndices(S32 num_indices);
 	void fillFromLegacyData(std::vector<LLVolumeFace::VertexData>& v, std::vector<U16>& idx);

@@ -923,6 +938,14 @@ public:
 	U16* mIndices;

 	std::vector<S32>	mEdge;
+
+ #if MESH_ENABLED
+	//list of skin weights for rigged volumes
+	// format is mWeights[vertex_index].mV[influence] = <joint_index>.<weight>
+	// mWeights.size() should be empty or match mVertices.size()  
+	LLVector4a* mWeights;
+ #endif //MESH_ENABLED
+ 
 	LLOctreeNode<LLVolumeTriangle>* mOctree;

 private:
@@ -1053,11 +1076,20 @@ private:
 protected:
 	BOOL generate();
 	void createVolumeFaces();
+#if MESH_ENABLED
+public:
+	virtual bool unpackVolumeFaces(std::istream& is, S32 size);

+	virtual void makeTetrahedron();
+	virtual BOOL isTetrahedron();
+#endif //MESH_ENABLED
 protected:
 	BOOL mUnique;
 	F32 mDetail;
 	S32 mSculptLevel;
+#if MESH_ENABLED
+	BOOL mIsTetrahedron;
+#endif //MESH_ENABLED
 	
 	LLVolumeParams mParams;
 	LLPath *mPathp;
@@ -1067,6 +1099,14 @@ protected:
 	BOOL mGenerateSingleFace;
 	typedef std::vector<LLVolumeFace> face_list_t;
 	face_list_t mVolumeFaces;
+	
+#if MESH_ENABLED
+public:
+	LLVector4a* mHullPoints;
+	U16* mHullIndices;
+	S32 mNumHullPoints;
+	S32 mNumHullIndices;
+#endif //MESH_ENABLED
 };

 std::ostream& operator<<(std::ostream &s, const LLVolumeParams &volume_params);
--- a/indra/llmath/xform.h
+++ b/indra/llmath/xform.h
@@ -39,6 +39,9 @@
 const F32 MAX_OBJECT_Z 		= 4096.f; // should match REGION_HEIGHT_METERS, Pre-havok4: 768.f
 const F32 MIN_OBJECT_Z 		= -256.f;
 const F32 DEFAULT_MAX_PRIM_SCALE = 256.f;
+#if MESH_ENABLED
+const F32 DEFAULT_MAX_PRIM_SCALE_NO_MESH = DEFAULT_MAX_PRIM_SCALE;
+#endif //MESH_ENABLED
 const F32 MIN_PRIM_SCALE = 0.01f;
 const F32 MAX_PRIM_SCALE = 65536.f;	// something very high but not near FLT_MAX