diff options
Diffstat (limited to 'indra/llprimitive/llmodel.cpp')
| -rw-r--r-- | indra/llprimitive/llmodel.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp index a23b991f1d..dd37b8ce0b 100644 --- a/indra/llprimitive/llmodel.cpp +++ b/indra/llprimitive/llmodel.cpp @@ -31,6 +31,7 @@ #include "llconvexdecomposition.h" #include "llsdserialize.h" #include "llvector4a.h" +#include "llmd5.h" #ifdef LL_USESYSTEMLIBS # include <zlib.h> @@ -1451,6 +1452,8 @@ void LLMeshSkinInfo::fromLLSD(LLSD& skin) { mLockScaleIfJointPosition = false; } + + updateHash(); } LLSD LLMeshSkinInfo::asLLSD(bool include_joints, bool lock_scale_if_joint_position) const @@ -1502,6 +1505,38 @@ LLSD LLMeshSkinInfo::asLLSD(bool include_joints, bool lock_scale_if_joint_positi return ret; } +void LLMeshSkinInfo::updateHash() +{ + // get hash of data relevant to render batches + LLMD5 hash; + + //mJointNames + for (auto& name : mJointNames) + { + hash.update(name); + } + + //mJointNums + hash.update((U8*)&(mJointNums[0]), sizeof(S32) * mJointNums.size()); + + //mInvBindMatrix + F32* src = mInvBindMatrix[0].getF32ptr(); + + for (int i = 0; i < mInvBindMatrix.size() * 16; ++i) + { + S32 t = llround(src[i] * 10000.f); + hash.update((U8*)&t, sizeof(S32)); + } + //hash.update((U8*)&(mInvBindMatrix[0]), sizeof(LLMatrix4a) * mInvBindMatrix.size()); + + hash.finalize(); + + U64 digest[2]; + hash.raw_digest((U8*) digest); + + mHash = digest[0]; +} + LLModel::Decomposition::Decomposition(LLSD& data) { fromLLSD(data); |