From a280bacfea5453df3453322223b677adc2780511 Mon Sep 17 00:00:00 2001 From: Cosmic Linden Date: Mon, 11 Sep 2023 17:11:03 -0700 Subject: SL-20157: Fix scale of avatar mesh parts when mikktspace tangent generation fails --- indra/llmath/llvolume.cpp | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) (limited to 'indra/llmath') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 0e3792fda3..6d36daa92a 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -5626,29 +5626,29 @@ bool LLVolumeFace::cacheOptimize(bool gen_tangents) mWeights[dst_idx].loadua(data.w[src_idx].mV); } } + + // put back in normalized coordinate frame + LLVector4a inv_scale(1.f/mNormalizedScale.mV[0], 1.f / mNormalizedScale.mV[1], 1.f / mNormalizedScale.mV[2]); + LLVector4a scale; + scale.load3(mNormalizedScale.mV); + scale.getF32ptr()[3] = 1.f; + + for (int i = 0; i < mNumVertices; ++i) + { + mPositions[i].mul(inv_scale); + mNormals[i].mul(scale); + mNormals[i].normalize3(); + F32 w = mTangents[i].getF32ptr()[3]; + mTangents[i].mul(scale); + mTangents[i].normalize3(); + mTangents[i].getF32ptr()[3] = w; + } } else { // blew past the max vertex size limit, use legacy tangent generation which never adds verts createTangents(); } - - // put back in normalized coordinate frame - LLVector4a inv_scale(1.f/mNormalizedScale.mV[0], 1.f / mNormalizedScale.mV[1], 1.f / mNormalizedScale.mV[2]); - LLVector4a scale; - scale.load3(mNormalizedScale.mV); - scale.getF32ptr()[3] = 1.f; - - for (int i = 0; i < mNumVertices; ++i) - { - mPositions[i].mul(inv_scale); - mNormals[i].mul(scale); - mNormals[i].normalize3(); - F32 w = mTangents[i].getF32ptr()[3]; - mTangents[i].mul(scale); - mTangents[i].normalize3(); - mTangents[i].getF32ptr()[3] = w; - } } // cache optimize index buffer -- cgit v1.2.3