From a073fa4009c6020970ce577b56bd76ea711cbe7f Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 11 Dec 2012 16:27:58 -0600 Subject: MAINT-1028 Fix for crash when importing meshes produced by FBX converter --- indra/llprimitive/llmodel.cpp | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'indra/llprimitive') diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 28ed051c55..3f93f064ce 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -628,25 +628,41 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac if (v) { U32 v_idx = idx[j*stride+v_offset]*3; + v_idx = llclamp(v_idx, (U32) 0, v->getCount()); vert.getPosition().set(v->get(v_idx), v->get(v_idx+1), v->get(v_idx+2)); } - if (n) + //bounds check n and t lookups because some FBX to DAE converters + //use negative indices and empty arrays to indicate data does not exist + //for a particular channel + if (n && n->getCount() > 0) { U32 n_idx = idx[j*stride+n_offset]*3; + n_idx = llclamp(n_idx, (U32) 0, n->getCount()); vert.getNormal().set(n->get(n_idx), n->get(n_idx+1), n->get(n_idx+2)); } + else + { + vert.getNormal().clear(); + } + - if (t) + if (t && t->getCount() > 0) { U32 t_idx = idx[j*stride+t_offset]*2; + t_idx = llclamp(t_idx, (U32) 0, t->getCount()); vert.mTexCoord.setVec(t->get(t_idx), t->get(t_idx+1)); } + else + { + vert.mTexCoord.clear(); + } + verts.push_back(vert); } -- cgit v1.2.3 From 968567346a6af564da353a06305cfd8ff5c443d7 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 11 Dec 2012 17:56:01 -0600 Subject: MAINT-1028 Fix for gcc --- indra/llprimitive/llmodel.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'indra/llprimitive') diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 3f93f064ce..5ed05e2201 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -628,7 +628,7 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac if (v) { U32 v_idx = idx[j*stride+v_offset]*3; - v_idx = llclamp(v_idx, (U32) 0, v->getCount()); + v_idx = llclamp(v_idx, (U32) 0, (U32) v->getCount()); vert.getPosition().set(v->get(v_idx), v->get(v_idx+1), v->get(v_idx+2)); @@ -640,7 +640,7 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac if (n && n->getCount() > 0) { U32 n_idx = idx[j*stride+n_offset]*3; - n_idx = llclamp(n_idx, (U32) 0, n->getCount()); + n_idx = llclamp(n_idx, (U32) 0, (U32) n->getCount()); vert.getNormal().set(n->get(n_idx), n->get(n_idx+1), n->get(n_idx+2)); @@ -654,7 +654,7 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac if (t && t->getCount() > 0) { U32 t_idx = idx[j*stride+t_offset]*2; - t_idx = llclamp(t_idx, (U32) 0, t->getCount()); + t_idx = llclamp(t_idx, (U32) 0, (U32) t->getCount()); vert.mTexCoord.setVec(t->get(t_idx), t->get(t_idx+1)); } -- cgit v1.2.3 From 1816582b929737f92ee68a1422e3be4e7c02f542 Mon Sep 17 00:00:00 2001 From: Graham Madarasz Date: Wed, 6 Mar 2013 09:09:07 -0800 Subject: Fix crashes from using single alloc for pos/norm/tc in volume face data fighting with old free call in model loading code --- indra/llprimitive/llmodel.cpp | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) (limited to 'indra/llprimitive') diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 5ed05e2201..8f0120b064 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -194,6 +194,9 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector& fa cv.setPosition(LLVector4a(v[idx[i+pos_offset]*3+0], v[idx[i+pos_offset]*3+1], v[idx[i+pos_offset]*3+2])); + + if (!cv.getPosition().isFinite3()) + return LLModel::BAD_ELEMENT; } if (tc_source) @@ -207,6 +210,8 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector& fa cv.setNormal(LLVector4a(n[idx[i+norm_offset]*3+0], n[idx[i+norm_offset]*3+1], n[idx[i+norm_offset]*3+2])); + if (!cv.getNormal().isFinite3()) + return LLModel::BAD_ELEMENT; } BOOL found = FALSE; @@ -261,13 +266,13 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector& fa LLVolumeFace& new_face = *face_list.rbegin(); if (!norm_source) { - ll_aligned_free_16(new_face.mNormals); + //ll_aligned_free_16(new_face.mNormals); new_face.mNormals = NULL; } if (!tc_source) { - ll_aligned_free_16(new_face.mTexCoords); + //ll_aligned_free_16(new_face.mTexCoords); new_face.mTexCoords = NULL; } @@ -292,13 +297,13 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector& fa LLVolumeFace& new_face = *face_list.rbegin(); if (!norm_source) { - ll_aligned_free_16(new_face.mNormals); + //ll_aligned_free_16(new_face.mNormals); new_face.mNormals = NULL; } if (!tc_source) { - ll_aligned_free_16(new_face.mTexCoords); + //ll_aligned_free_16(new_face.mTexCoords); new_face.mTexCoords = NULL; } } @@ -480,13 +485,13 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector& fac LLVolumeFace& new_face = *face_list.rbegin(); if (!norm_source) { - ll_aligned_free_16(new_face.mNormals); + //ll_aligned_free_16(new_face.mNormals); new_face.mNormals = NULL; } if (!tc_source) { - ll_aligned_free_16(new_face.mTexCoords); + //ll_aligned_free_16(new_face.mTexCoords); new_face.mTexCoords = NULL; } @@ -514,13 +519,13 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector& fac LLVolumeFace& new_face = *face_list.rbegin(); if (!norm_source) { - ll_aligned_free_16(new_face.mNormals); + //ll_aligned_free_16(new_face.mNormals); new_face.mNormals = NULL; } if (!tc_source) { - ll_aligned_free_16(new_face.mTexCoords); + //ll_aligned_free_16(new_face.mTexCoords); new_face.mTexCoords = NULL; } } @@ -730,13 +735,13 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac LLVolumeFace& new_face = *face_list.rbegin(); if (!n) { - ll_aligned_free_16(new_face.mNormals); + //ll_aligned_free_16(new_face.mNormals); new_face.mNormals = NULL; } if (!t) { - ll_aligned_free_16(new_face.mTexCoords); + //ll_aligned_free_16(new_face.mTexCoords); new_face.mTexCoords = NULL; } } @@ -1036,7 +1041,7 @@ void LLModel::setVolumeFaceData( } else { - ll_aligned_free_16(face.mNormals); + //ll_aligned_free_16(face.mNormals); face.mNormals = NULL; } @@ -1047,7 +1052,7 @@ void LLModel::setVolumeFaceData( } else { - ll_aligned_free_16(face.mTexCoords); + //ll_aligned_free_16(face.mTexCoords); face.mTexCoords = NULL; } @@ -1246,7 +1251,7 @@ void LLModel::generateNormals(F32 angle_cutoff) } else { - ll_aligned_free_16(new_face.mTexCoords); + //ll_aligned_free_16(new_face.mTexCoords); new_face.mTexCoords = NULL; } -- cgit v1.2.3 From 2e8b2558b4b86b97dafec539792d14b66b2724d1 Mon Sep 17 00:00:00 2001 From: "Graham Madarasz (Graham)" Date: Thu, 7 Mar 2013 14:13:14 -0800 Subject: For MAINT-2436 and MAINT-2388 contribs from STORM-1935 and STORM-1936 --- indra/llprimitive/llmodel.cpp | 114 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 113 insertions(+), 1 deletion(-) (limited to 'indra/llprimitive') diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 8f0120b064..4ef4744981 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -186,32 +186,78 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector& fa LLVolumeFace::VertexMapData::PointMap point_map; - for (U32 i = 0; i < idx.getCount(); i += idx_stride) + U32 index_count = idx.getCount(); + U32 vertex_count = pos_source ? v.getCount() : 0; + U32 tc_count = tc_source ? tc.getCount() : 0; + U32 norm_count = norm_source ? n.getCount() : 0; + + for (U32 i = 0; i < index_count; i += idx_stride) { LLVolumeFace::VertexData cv; if (pos_source) { + // guard against model data specifiying out of range indices or verts + // + if (((i + pos_offset) > index_count) + || ((idx[i+pos_offset]*3+2) > vertex_count)) + { + return LLModel::BAD_ELEMENT; + } + cv.setPosition(LLVector4a(v[idx[i+pos_offset]*3+0], v[idx[i+pos_offset]*3+1], v[idx[i+pos_offset]*3+2])); if (!cv.getPosition().isFinite3()) + { return LLModel::BAD_ELEMENT; + } } if (tc_source) { + // guard against model data specifiying out of range indices or tcs + // + if (((i + tc_offset) > index_count) + || ((idx[i+pos_offset]*2+1) > tc_count)) + { + return LLModel::BAD_ELEMENT; + } + cv.mTexCoord.setVec(tc[idx[i+tc_offset]*2+0], tc[idx[i+tc_offset]*2+1]); + + if (!cv.mTexCoord.isFinite()) + { + llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } } if (norm_source) { + // guard against model data specifiying out of range indices or norms + // + if (((i + pos_offset) > index_count) + || ((idx[i+pos_offset]*3+2) > vertex_count)) + { + return LLModel::BAD_ELEMENT; + } + if (((i + norm_offset) > index_count) + || ((idx[i+norm_offset]*3+2) > norm_count)) + { + return LLModel::BAD_ELEMENT; + } + cv.setNormal(LLVector4a(n[idx[i+norm_offset]*3+0], n[idx[i+norm_offset]*3+1], n[idx[i+norm_offset]*3+2])); + if (!cv.getNormal().isFinite3()) + { + llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl; return LLModel::BAD_ELEMENT; + } } BOOL found = FALSE; @@ -369,6 +415,11 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector& fac LLVolumeFace::VertexMapData::PointMap point_map; + U32 index_count = idx.getCount(); + U32 vertex_count = pos_source ? v.getCount() : 0; + U32 tc_count = tc_source ? tc.getCount() : 0; + U32 norm_count = norm_source ? n.getCount() : 0; + U32 cur_idx = 0; for (U32 i = 0; i < vcount.getCount(); ++i) { //for each polygon @@ -381,22 +432,65 @@ LLModel::EModelStatus load_face_from_dom_polylist(std::vector& fac if (pos_source) { + // guard against model data specifiying out of range indices or verts + // + if (((i + pos_offset) > index_count) + || ((idx[i+pos_offset]*3+2) > vertex_count)) + { + return LLModel::BAD_ELEMENT; + } + cv.getPosition().set(v[idx[cur_idx+pos_offset]*3+0], v[idx[cur_idx+pos_offset]*3+1], v[idx[cur_idx+pos_offset]*3+2]); + + if (!cv.getPosition().isFinite3()) + { + llwarns << "Found NaN while loading positions from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } + } if (tc_source) { + // guard against model data specifiying out of range indices or tcs + // + if (((i + pos_offset) > index_count) + || ((idx[cur_idx+tc_offset]*2+1) > tc_count)) + { + return LLModel::BAD_ELEMENT; + } + cv.mTexCoord.setVec(tc[idx[cur_idx+tc_offset]*2+0], tc[idx[cur_idx+tc_offset]*2+1]); + + if (!cv.mTexCoord.isFinite()) + { + llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } } if (norm_source) { + // guard against model data specifiying out of range indices or norms + // + if (((i + pos_offset) > index_count) + || ((idx[cur_idx+norm_offset]*3+2) > norm_count)) + { + return LLModel::BAD_ELEMENT; + } + cv.getNormal().set(n[idx[cur_idx+norm_offset]*3+0], n[idx[cur_idx+norm_offset]*3+1], n[idx[cur_idx+norm_offset]*3+2]); + + if (!cv.getNormal().isFinite3()) + { + llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } } cur_idx += idx_stride; @@ -637,6 +731,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac vert.getPosition().set(v->get(v_idx), v->get(v_idx+1), v->get(v_idx+2)); + + if (!vert.getPosition().isFinite3()) + { + llwarns << "Found NaN while loading position data from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } } //bounds check n and t lookups because some FBX to DAE converters @@ -649,6 +749,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac vert.getNormal().set(n->get(n_idx), n->get(n_idx+1), n->get(n_idx+2)); + + if (!vert.getNormal().isFinite3()) + { + llwarns << "Found NaN while loading normals from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } } else { @@ -662,6 +768,12 @@ LLModel::EModelStatus load_face_from_dom_polygons(std::vector& fac t_idx = llclamp(t_idx, (U32) 0, (U32) t->getCount()); vert.mTexCoord.setVec(t->get(t_idx), t->get(t_idx+1)); + + if (!vert.mTexCoord.isFinite()) + { + llwarns << "Found NaN while loading tex coords from DAE-Model, invalid model." << llendl; + return LLModel::BAD_ELEMENT; + } } else { -- cgit v1.2.3 From 4b67d34c7e31e7dcc8185061e4a0b02c5da6560a Mon Sep 17 00:00:00 2001 From: "Graham Madarasz (Graham)" Date: Thu, 7 Mar 2013 15:45:29 -0800 Subject: Remove redundant data validation copy-pasted into normals loop --- indra/llprimitive/llmodel.cpp | 5 ----- 1 file changed, 5 deletions(-) (limited to 'indra/llprimitive') diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index 4ef4744981..ef6eb75a6b 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -238,11 +238,6 @@ LLModel::EModelStatus load_face_from_dom_triangles(std::vector& fa { // guard against model data specifiying out of range indices or norms // - if (((i + pos_offset) > index_count) - || ((idx[i+pos_offset]*3+2) > vertex_count)) - { - return LLModel::BAD_ELEMENT; - } if (((i + norm_offset) > index_count) || ((idx[i+norm_offset]*3+2) > norm_count)) { -- cgit v1.2.3 From dbfcd6c9c5709b74365c2538ba312685b09d22bf Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 7 May 2013 17:20:33 -0500 Subject: Optimization -- don't draw glow in alpha pool unless needed --- indra/llprimitive/llmodel.cpp | 37 +++++++++++++++++++++++++++++++++++++ indra/llprimitive/llmodel.h | 4 +++- 2 files changed, 40 insertions(+), 1 deletion(-) (limited to 'indra/llprimitive') diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index ef6eb75a6b..e236f98fe6 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -1122,6 +1122,43 @@ void LLModel::getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& tra translation_out = mNormalizedTranslation; } +LLVector3 LLModel::getTransformedCenter(const LLMatrix4& mat) +{ + LLVector3 ret; + + if (!mVolumeFaces.empty()) + { + LLMatrix4a m; + m.loadu(mat); + + LLVector4a minv,maxv; + + LLVector4a t; + m.affineTransform(mVolumeFaces[0].mPositions[0], t); + minv = maxv = t; + + for (S32 i = 0; i < mVolumeFaces.size(); ++i) + { + LLVolumeFace& face = mVolumeFaces[i]; + + for (U32 j = 0; j < face.mNumVertices; ++j) + { + m.affineTransform(face.mPositions[j],t); + update_min_max(minv, maxv, t); + } + } + + minv.add(maxv); + minv.mul(0.5f); + + ret.set(minv.getF32ptr()); + } + + return ret; +} + + + void LLModel::setNumVolumeFaces(S32 count) { mVolumeFaces.resize(count); diff --git a/indra/llprimitive/llmodel.h b/indra/llprimitive/llmodel.h index 1cf528fd9f..aaafc55258 100644 --- a/indra/llprimitive/llmodel.h +++ b/indra/llprimitive/llmodel.h @@ -173,13 +173,15 @@ public: void optimizeVolumeFaces(); void offsetMesh( const LLVector3& pivotPoint ); void getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& translation_out); - + LLVector3 getTransformedCenter(const LLMatrix4& mat); + //reorder face list based on mMaterialList in this and reference so //order matches that of reference (material ordering touchup) bool matchMaterialOrder(LLModel* ref, int& refFaceCnt, int& modelFaceCnt ); bool isMaterialListSubset( LLModel* ref ); bool needToAddFaces( LLModel* ref, int& refFaceCnt, int& modelFaceCnt ); + std::vector mMaterialList; //data used for skin weights -- cgit v1.2.3