diff options
| -rw-r--r-- | indra/llmath/llvolume.cpp | 97 |
1 files changed, 37 insertions, 60 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 2f25a4359d..4384c732b2 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -53,8 +53,7 @@ #include "lltimer.h" #include "llvolumeoctree.h" -#include "mikktspace/mikktspace.h" -#include "mikktspace/mikktspace.c" // insert mikktspace implementation into llvolume object file +#include "mikktspace/mikktspace.hh" #include "meshoptimizer/meshoptimizer.h" @@ -5436,6 +5435,40 @@ struct MikktData } } } + + uint32_t GetNumFaces() + { + return uint32_t(face->mNumIndices / 3); + } + + uint32_t GetNumVerticesOfFace(const uint32_t face_num) + { + return 3; + } + + mikk::float3 GetPosition(const uint32_t face_num, const uint32_t vert_num) + { + F32* v = p[face_num * 3 + vert_num].mV; + return mikk::float3(v); + } + + mikk::float3 GetTexCoord(const uint32_t face_num, const uint32_t vert_num) + { + F32* uv = tc[face_num * 3 + vert_num].mV; + return mikk::float3(uv[0], uv[1], 1.0f); + } + + mikk::float3 GetNormal(const uint32_t face_num, const uint32_t vert_num) + { + F32* normal = n[face_num * 3 + vert_num].mV; + return mikk::float3(normal); + } + + void SetTangentSpace(const uint32_t face_num, const uint32_t vert_num, mikk::float3 T, bool orientation) + { + S32 i = face_num * 3 + vert_num; + t[i].set(T.x, T.y, T.z, orientation ? 1.0f : -1.0f); + } }; bool LLVolumeFace::cacheOptimize(bool gen_tangents) @@ -5448,62 +5481,9 @@ bool LLVolumeFace::cacheOptimize(bool gen_tangents) { // generate mikkt space tangents before cache optimizing since the index buffer may change // a bit of a hack to do this here, but this function gets called exactly once for the lifetime of a mesh // and is executed on a background thread - SMikkTSpaceInterface ms; - - ms.m_getNumFaces = [](const SMikkTSpaceContext* pContext) - { - MikktData* data = (MikktData*)pContext->m_pUserData; - LLVolumeFace* face = data->face; - return face->mNumIndices / 3; - }; - - ms.m_getNumVerticesOfFace = [](const SMikkTSpaceContext* pContext, const int iFace) - { - return 3; - }; - - ms.m_getPosition = [](const SMikkTSpaceContext* pContext, float fvPosOut[], const int iFace, const int iVert) - { - MikktData* data = (MikktData*)pContext->m_pUserData; - F32* v = data->p[iFace * 3 + iVert].mV; - fvPosOut[0] = v[0]; - fvPosOut[1] = v[1]; - fvPosOut[2] = v[2]; - }; - - ms.m_getNormal = [](const SMikkTSpaceContext* pContext, float fvNormOut[], const int iFace, const int iVert) - { - MikktData* data = (MikktData*)pContext->m_pUserData; - F32* n = data->n[iFace * 3 + iVert].mV; - fvNormOut[0] = n[0]; - fvNormOut[1] = n[1]; - fvNormOut[2] = n[2]; - }; - - ms.m_getTexCoord = [](const SMikkTSpaceContext* pContext, float fvTexcOut[], const int iFace, const int iVert) - { - MikktData* data = (MikktData*)pContext->m_pUserData; - F32* tc = data->tc[iFace * 3 + iVert].mV; - fvTexcOut[0] = tc[0]; - fvTexcOut[1] = tc[1]; - }; - - ms.m_setTSpaceBasic = [](const SMikkTSpaceContext* pContext, const float fvTangent[], const float fSign, const int iFace, const int iVert) - { - MikktData* data = (MikktData*)pContext->m_pUserData; - S32 i = iFace * 3 + iVert; - - data->t[i].set(fvTangent); - data->t[i].mV[3] = fSign; - }; - - ms.m_setTSpace = nullptr; - MikktData data(this); - - SMikkTSpaceContext ctx = { &ms, &data }; - - genTangSpaceDefault(&ctx); + mikk::Mikktspace ctx(data); + ctx.genTangSpace(); //re-weld meshopt_Stream mos[] = @@ -5524,9 +5504,6 @@ bool LLVolumeFace::cacheOptimize(bool gen_tangents) if (vert_count < 65535 && vert_count != 0) { - std::vector<U32> indices; - indices.resize(mNumIndices); - //copy results back into volume resizeVertices(vert_count); |