From f83b08b69c84d6df9cebb79167804cd295555481 Mon Sep 17 00:00:00 2001 From: Xiaohong Bao Date: Fri, 24 Jun 2011 15:09:10 -0600 Subject: fix for SH-1878: Viewer hang in GLOD_Group::adaptTriangleBudget during LLModelPreview::genLODs; SH-1891: viewer crashes while previewing "RYOMA 3D XML File.dae"; SH-1890: Crash loading palm tree --- indra/llmath/llvolume.cpp | 58 +++++++++++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 19 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index d401ce7de7..bddb8d8c66 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2774,11 +2774,13 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } //side 2 cv[0].setPosition(p[3]); @@ -2797,11 +2799,14 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } + //side 3 cv[0].setPosition(p[3]); cv[1].setPosition(p[1]); @@ -2819,10 +2824,13 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } //side 4 cv[0].setPosition(p[2]); @@ -2841,10 +2849,13 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } //set index buffer for (U16 i = 0; i < 12; i++) @@ -5613,7 +5624,16 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src) LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) src.mPositions, vert_size); LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) src.mNormals, vert_size); - LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) src.mTexCoords, tc_size); + + if(src.mTexCoords) + { + LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) src.mTexCoords, tc_size); + } + else + { + ll_aligned_free_16(mTexCoords) ; + mTexCoords = NULL ; + } if (src.mBinormals) -- cgit v1.2.3