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SL-14993 Crash accessing mInvBindMatrix

master
Andrey Kleshchev 2021-03-22 23:45:25 +02:00 committed by Andrey Lihatskiy
parent bb17e4b78e
commit b0de02aa02
3 changed files with 22 additions and 43 deletions
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30
indra/llprimitive/llmodel.cpp
View File

@ -434,7 +434,7 @@ void LLModel::generateNormals(F32 angle_cutoff)
if (vol_face.mNumIndices > 65535)
{
LL_WARNS() << "Too many vertices for normal generation to work." << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Too many vertices for normal generation to work." << LL_ENDL;
continue;
}
@ -1100,7 +1100,7 @@ bool LLModel::loadModel(std::istream& is)
{
if (!LLSDSerialize::fromBinary(header, is, 1024*1024*1024))
{
LL_WARNS() << "Mesh header parse error. Not a valid mesh asset!" << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Mesh header parse error. Not a valid mesh asset!" << LL_ENDL;
return false;
}
}
@ -1132,7 +1132,7 @@ bool LLModel::loadModel(std::istream& is)
if (header[lod_name[lod]]["offset"].asInteger() == -1 ||
header[lod_name[lod]]["size"].asInteger() == 0 )
{ //cannot load requested LOD
LL_WARNS() << "LoD data is invalid!" << LL_ENDL;
LL_WARNS("MESHSKININFO") << "LoD data is invalid!" << LL_ENDL;
return false;
}
@ -1195,7 +1195,7 @@ bool LLModel::loadModel(std::istream& is)
}
else
{
LL_WARNS() << "unpackVolumeFaces failed!" << LL_ENDL;
LL_WARNS("MESHSKININFO") << "unpackVolumeFaces failed!" << LL_ENDL;
}
return false;
@ -1223,7 +1223,7 @@ bool LLModel::isMaterialListSubset( LLModel* ref )
if (!foundRef)
{
LL_INFOS() << "Could not find material " << mMaterialList[src] << " in reference model " << ref->mLabel << LL_ENDL;
LL_INFOS("MESHSKININFO") << "Could not find material " << mMaterialList[src] << " in reference model " << ref->mLabel << LL_ENDL;
return false;
}
}
@ -1259,7 +1259,7 @@ bool LLModel::matchMaterialOrder(LLModel* ref, int& refFaceCnt, int& modelFaceCn
bool isASubset = isMaterialListSubset( ref );
if ( !isASubset )
{
LL_INFOS()<<"Material of model is not a subset of reference."<<LL_ENDL;
LL_INFOS("MESHSKININFO")<<"Material of model is not a subset of reference."<<LL_ENDL;
return false;
}
@ -1398,6 +1398,14 @@ void LLMeshSkinInfo::fromLLSD(LLSD& skin)
mInvBindMatrix.push_back(mat);
}
if (mJointNames.size() != mInvBindMatrix.size())
{
LL_WARNS("MESHSKININFO") << "Joints vs bind matrix count mismatch. Dropping joint bindings." << LL_ENDL;
mJointNames.clear();
mJointNums.clear();
mInvBindMatrix.clear();
}
}
if (skin.has("bind_shape_matrix"))
@ -1842,14 +1850,14 @@ bool validate_face(const LLVolumeFace& face)
{
if (face.mIndices[i] >= face.mNumVertices)
{
LL_WARNS() << "Face has invalid index." << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Face has invalid index." << LL_ENDL;
return false;
}
}
if (face.mNumIndices % 3 != 0 || face.mNumIndices == 0)
{
LL_WARNS() << "Face has invalid number of indices." << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Face has invalid number of indices." << LL_ENDL;
return false;
}
@ -1879,7 +1887,7 @@ bool validate_model(const LLModel* mdl)
{
if (mdl->getNumVolumeFaces() == 0)
{
LL_WARNS() << "Model has no faces!" << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Model has no faces!" << LL_ENDL;
return false;
}
@ -1887,13 +1895,13 @@ bool validate_model(const LLModel* mdl)
{
if (mdl->getVolumeFace(i).mNumVertices == 0)
{
LL_WARNS() << "Face has no vertices." << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Face has no vertices." << LL_ENDL;
return false;
}
if (mdl->getVolumeFace(i).mNumIndices == 0)
{
LL_WARNS() << "Face has no indices." << LL_ENDL;
LL_WARNS("MESHSKININFO") << "Face has no indices." << LL_ENDL;
return false;
}

34
indra/newview/llskinningutil.cpp
View File

@ -309,7 +309,8 @@ void LLSkinningUtil::updateRiggingInfo(const LLMeshSkinInfo* skin, LLVOAvatar *a
if (vol_face.mJointRiggingInfoTab.needsUpdate())
{
S32 num_verts = vol_face.mNumVertices;
if (num_verts>0 && vol_face.mWeights && (skin->mJointNames.size()>0))
S32 num_joints = skin->mJointNames.size();
if (num_verts > 0 && vol_face.mWeights && num_joints > 0)
{
initJointNums(const_cast<LLMeshSkinInfo*>(skin), avatar);
if (vol_face.mJointRiggingInfoTab.size()==0)
@ -343,7 +344,7 @@ void LLSkinningUtil::updateRiggingInfo(const LLMeshSkinInfo* skin, LLVOAvatar *a
for (U32 k=0; k<4; ++k)
{
S32 joint_index = idx[k];
if (wght[k] > 0.0f)
if (wght[k] > 0.0f && num_joints > joint_index)
{
S32 joint_num = skin->mJointNums[joint_index];
if (joint_num >= 0 && joint_num < LL_CHARACTER_MAX_ANIMATED_JOINTS)
@ -394,35 +395,6 @@ void LLSkinningUtil::updateRiggingInfo(const LLMeshSkinInfo* skin, LLVOAvatar *a
}
}
void LLSkinningUtil::updateRiggingInfo_(LLMeshSkinInfo* skin, LLVOAvatar *avatar, S32 num_verts, LLVector4a* weights, LLVector4a* positions, U8* joint_indices, LLJointRiggingInfoTab &rig_info_tab)
{
LL_RECORD_BLOCK_TIME(FTM_FACE_RIGGING_INFO);
for (S32 i=0; i < num_verts; i++)
{
LLVector4a& pos = positions[i];
LLVector4a& wght = weights[i];
for (U32 k=0; k<4; ++k)
{
S32 joint_num = skin->mJointNums[joint_indices[k]];
llassert(joint_num >= 0 && joint_num < LL_CHARACTER_MAX_ANIMATED_JOINTS);
{
rig_info_tab[joint_num].setIsRiggedTo(true);
LLMatrix4a bind_shape;
bind_shape.loadu(skin->mBindShapeMatrix);
LLMatrix4a inv_bind;
inv_bind.loadu(skin->mInvBindMatrix[joint_indices[k]]);
LLMatrix4a mat;
matMul(bind_shape, inv_bind, mat);
LLVector4a pos_joint_space;
mat.affineTransform(pos, pos_joint_space);
pos_joint_space.mul(wght[k]);
LLVector4a *extents = rig_info_tab[joint_num].getRiggedExtents();
update_min_max(extents[0], extents[1], pos_joint_space);
}
}
}
}
// This is used for extracting rotation from a bind shape matrix that
// already has scales baked in
LLQuaternion LLSkinningUtil::getUnscaledQuaternion(const LLMatrix4& mat4)

1
indra/newview/llskinningutil.h
View File

@ -67,7 +67,6 @@ namespace LLSkinningUtil
void initJointNums(LLMeshSkinInfo* skin, LLVOAvatar *avatar);
void updateRiggingInfo(const LLMeshSkinInfo* skin, LLVOAvatar *avatar, LLVolumeFace& vol_face);
void updateRiggingInfo_(LLMeshSkinInfo* skin, LLVOAvatar *avatar, S32 num_verts, LLVector4a* weights, LLVector4a* positions, U8* joint_indices, LLJointRiggingInfoTab &rig_info_tab);
LLQuaternion getUnscaledQuaternion(const LLMatrix4& mat4);
};