From b138ca8aeec421f6e5b1412e7c7fbcefd87570d0 Mon Sep 17 00:00:00 2001 From: "Brad Payne (Vir Linden)" Date: Wed, 6 Apr 2016 16:12:39 -0400 Subject: SL-366 - more cases where skinned weights can go awry, and a bunch more asserts to verify. --- indra/newview/llfloatermodelpreview.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'indra/newview/llfloatermodelpreview.cpp') diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp index ceb3566d95..cda704f47b 100755 --- a/indra/newview/llfloatermodelpreview.cpp +++ b/indra/newview/llfloatermodelpreview.cpp @@ -3317,14 +3317,17 @@ void LLModelPreview::genBuffers(S32 lod, bool include_skin_weights) LLVector3 pos(vf.mPositions[i].getF32ptr()); const LLModel::weight_list& weight_list = base_mdl->getJointInfluences(pos); + llassert(weight_list.size()>0 && weight_list.size() <= 4); // LLModel::loadModel() should guarantee this LLVector4 w(0,0,0,0); for (U32 i = 0; i < weight_list.size(); ++i) { - F32 wght = llmin(weight_list[i].mWeight, 0.999999f); + F32 wght = llclamp(weight_list[i].mWeight, 0.001f, 0.999f); F32 joint = (F32) weight_list[i].mJointIdx; w.mV[i] = joint + wght; + llassert(w.mV[i]-(S32)w.mV[i]>0.0f); // because weights are non-zero, and range of wt values + //should not cause floating point precision issues. } *(weights_strider++) = w; -- cgit v1.2.3