diff options
author | Nat Goodspeed <nat@lindenlab.com> | 2024-06-10 17:24:19 -0400 |
---|---|---|
committer | Nat Goodspeed <nat@lindenlab.com> | 2024-06-10 17:24:19 -0400 |
commit | 730d94779c0e798ec91b269b530a08f0eebaa13d (patch) | |
tree | d4821d194caef6e71f3e31b578fde635a38bdb3b /indra/llmath | |
parent | d317454c82e016a02c8a708a0118f3ff29aa8e82 (diff) | |
parent | 9f97ff7286aceef5be4e7589ca4af911edf30f12 (diff) |
Merge release/materials_featurette to main on promotion of secondlife/viewer #648: Release/materials featurette
Diffstat (limited to 'indra/llmath')
-rw-r--r-- | indra/llmath/llcamera.h | 1 | ||||
-rw-r--r-- | indra/llmath/llmatrix4a.h | 10 | ||||
-rw-r--r-- | indra/llmath/llvolume.cpp | 189 | ||||
-rw-r--r-- | indra/llmath/llvolume.h | 7 | ||||
-rw-r--r-- | indra/llmath/llvolumeoctree.cpp | 8 | ||||
-rw-r--r-- | indra/llmath/llvolumeoctree.h | 95 |
6 files changed, 156 insertions, 154 deletions
diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h index 3b52810855..b6e0e4a2be 100644 --- a/indra/llmath/llcamera.h +++ b/indra/llmath/llcamera.h @@ -65,7 +65,6 @@ class LLCamera : public LLCoordFrame { public: - LLCamera(const LLCamera& rhs) { *this = rhs; diff --git a/indra/llmath/llmatrix4a.h b/indra/llmath/llmatrix4a.h index 348feba27e..cf4e522467 100644 --- a/indra/llmath/llmatrix4a.h +++ b/indra/llmath/llmatrix4a.h @@ -56,6 +56,16 @@ public: return (F32*)&mMatrix; } + inline LLMatrix4& asMatrix4() + { + return *(LLMatrix4*)this; + } + + inline const LLMatrix4& asMatrix4() const + { + return *(LLMatrix4*)this; + } + inline void clear() { mMatrix[0].clear(); diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 9375a5dfca..41e614524e 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -45,16 +45,15 @@ #include "llmatrix3a.h" #include "lloctree.h" #include "llvolume.h" -#include "llvolumeoctree.h" #include "llstl.h" #include "llsdserialize.h" #include "llvector4a.h" #include "llmatrix4a.h" #include "llmeshoptimizer.h" #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" @@ -377,77 +376,6 @@ BOOL LLTriangleRayIntersect(const LLVector3& vert0, const LLVector3& vert1, cons } } -class LLVolumeOctreeRebound : public LLOctreeTravelerDepthFirst<LLVolumeTriangle, LLVolumeTriangle*> -{ -public: - const LLVolumeFace* mFace; - - LLVolumeOctreeRebound(const LLVolumeFace* face) - { - mFace = face; - } - - virtual void visit(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* branch) - { //this is a depth first traversal, so it's safe to assum all children have complete - //bounding data - LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME - - LLVolumeOctreeListener* node = (LLVolumeOctreeListener*) branch->getListener(0); - - LLVector4a& min = node->mExtents[0]; - LLVector4a& max = node->mExtents[1]; - - if (!branch->isEmpty()) - { //node has data, find AABB that binds data set - const LLVolumeTriangle* tri = *(branch->getDataBegin()); - - //initialize min/max to first available vertex - min = *(tri->mV[0]); - max = *(tri->mV[0]); - - for (LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>::const_element_iter iter = branch->getDataBegin(); iter != branch->getDataEnd(); ++iter) - { //for each triangle in node - - //stretch by triangles in node - tri = *iter; - - min.setMin(min, *tri->mV[0]); - min.setMin(min, *tri->mV[1]); - min.setMin(min, *tri->mV[2]); - - max.setMax(max, *tri->mV[0]); - max.setMax(max, *tri->mV[1]); - max.setMax(max, *tri->mV[2]); - } - } - else if (branch->getChildCount() > 0) - { //no data, but child nodes exist - LLVolumeOctreeListener* child = (LLVolumeOctreeListener*) branch->getChild(0)->getListener(0); - - //initialize min/max to extents of first child - min = child->mExtents[0]; - max = child->mExtents[1]; - } - else - { - llassert(!branch->isLeaf()); // Empty leaf - } - - for (S32 i = 0; i < branch->getChildCount(); ++i) - { //stretch by child extents - LLVolumeOctreeListener* child = (LLVolumeOctreeListener*) branch->getChild(i)->getListener(0); - min.setMin(min, child->mExtents[0]); - max.setMax(max, child->mExtents[1]); - } - - node->mBounds[0].setAdd(min, max); - node->mBounds[0].mul(0.5f); - - node->mBounds[1].setSub(max,min); - node->mBounds[1].mul(0.5f); - } -}; - //------------------------------------------------------------------- // statics //------------------------------------------------------------------- @@ -5507,8 +5435,41 @@ 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) { //optimize for vertex cache according to Forsyth method: @@ -5520,62 +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[] = @@ -5596,9 +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); @@ -5687,8 +5592,7 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe llassert(mNumIndices % 3 == 0); - mOctree = new LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>(center, size, NULL); - new LLVolumeOctreeListener(mOctree); + mOctree = new LLVolumeOctree(center, size); const U32 num_triangles = mNumIndices / 3; // Initialize all the triangles we need mOctreeTriangles = new LLVolumeTriangle[num_triangles]; @@ -5743,7 +5647,7 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe while (!mOctree->balance()) { } //calculate AABB for each node - LLVolumeOctreeRebound rebound(this); + LLVolumeOctreeRebound rebound; rebound.traverse(mOctree); if (gDebugGL) @@ -5756,12 +5660,12 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe void LLVolumeFace::destroyOctree() { delete mOctree; - mOctree = NULL; + mOctree = nullptr; delete[] mOctreeTriangles; - mOctreeTriangles = NULL; + mOctreeTriangles = nullptr; } -const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* LLVolumeFace::getOctree() const +const LLVolumeOctree* LLVolumeFace::getOctree() const { return mOctree; } @@ -6476,9 +6380,6 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) return TRUE; } -void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal, - const LLVector2 *texcoord, U32 triangleCount, const U16* index_array, LLVector4a *tangent); - void LLVolumeFace::createTangents() { LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME; @@ -6496,7 +6397,7 @@ void LLVolumeFace::createTangents() (*ptr++).clear(); } - CalculateTangentArray(mNumVertices, mPositions, mNormals, mTexCoords, mNumIndices / 3, mIndices, mTangents); + LLCalculateTangentArray(mNumVertices, mPositions, mNormals, mTexCoords, mNumIndices / 3, mIndices, mTangents); //normalize normals for (U32 i = 0; i < mNumVertices; i++) @@ -7206,7 +7107,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) } //adapted from Lengyel, Eric. "Computing Tangent Space Basis Vectors for an Arbitrary Mesh". Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html -void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal, +void LLCalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal, const LLVector2 *texcoord, U32 triangleCount, const U16* index_array, LLVector4a *tangent) { LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h index 917ad6030c..d53ca2a4b3 100644 --- a/indra/llmath/llvolume.h +++ b/indra/llmath/llvolume.h @@ -41,6 +41,7 @@ template <class T, typename T_PTR> class LLOctreeNode; class LLVolumeFace; class LLVolume; class LLVolumeTriangle; +class LLVolumeOctree; #include "lluuid.h" #include "v4color.h" @@ -913,7 +914,7 @@ public: void createOctree(F32 scaler = 0.25f, const LLVector4a& center = LLVector4a(0,0,0), const LLVector4a& size = LLVector4a(0.5f,0.5f,0.5f)); void destroyOctree(); // Get a reference to the octree, which may be null - const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* getOctree() const; + const LLVolumeOctree* getOctree() const; enum { @@ -987,7 +988,7 @@ public: LLVector3 mNormalizedScale = LLVector3(1,1,1); private: - LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* mOctree; + LLVolumeOctree* mOctree; LLVolumeTriangle* mOctreeTriangles; BOOL createUnCutCubeCap(LLVolume* volume, BOOL partial_build = FALSE); @@ -1142,6 +1143,8 @@ public: std::ostream& operator<<(std::ostream &s, const LLVolumeParams &volume_params); +void LLCalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal, const LLVector2 *texcoord, U32 triangleCount, const U16* index_array, LLVector4a *tangent); + BOOL LLLineSegmentBoxIntersect(const F32* start, const F32* end, const F32* center, const F32* size); BOOL LLLineSegmentBoxIntersect(const LLVector3& start, const LLVector3& end, const LLVector3& center, const LLVector3& size); BOOL LLLineSegmentBoxIntersect(const LLVector4a& start, const LLVector4a& end, const LLVector4a& center, const LLVector4a& size); diff --git a/indra/llmath/llvolumeoctree.cpp b/indra/llmath/llvolumeoctree.cpp index 343740692c..341b9a6465 100644 --- a/indra/llmath/llvolumeoctree.cpp +++ b/indra/llmath/llvolumeoctree.cpp @@ -92,15 +92,15 @@ void LLVolumeOctreeListener::handleChildAddition(const LLOctreeNode<LLVolumeTria } LLOctreeTriangleRayIntersect::LLOctreeTriangleRayIntersect(const LLVector4a& start, const LLVector4a& dir, - const LLVolumeFace* face, F32* closest_t, + LLVolumeFace* face, F32* closest_t, LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent) - : mFace(face), - mStart(start), + : mStart(start), mDir(dir), mIntersection(intersection), mTexCoord(tex_coord), mNormal(normal), mTangent(tangent), + mFace(face), mClosestT(closest_t), mHitFace(false) { @@ -139,7 +139,7 @@ void LLOctreeTriangleRayIntersect::visit(const LLOctreeNode<LLVolumeTriangle, LL { *mClosestT = t; mHitFace = true; - + mHitTriangle = tri; if (mIntersection != NULL) { LLVector4a intersect = mDir; diff --git a/indra/llmath/llvolumeoctree.h b/indra/llmath/llvolumeoctree.h index 96918912ed..cf176b5afe 100644 --- a/indra/llmath/llvolumeoctree.h +++ b/indra/llmath/llvolumeoctree.h @@ -62,7 +62,7 @@ public: LL_ALIGN_16(LLVector4a mPositionGroup); const LLVector4a* mV[3]; - U16 mIndex[3]; + U32 mIndex[3]; F32 mRadius; mutable S32 mBinIndex; @@ -112,7 +112,6 @@ public: class LLOctreeTriangleRayIntersect : public LLOctreeTraveler<LLVolumeTriangle, LLVolumeTriangle*> { public: - const LLVolumeFace* mFace; LLVector4a mStart; LLVector4a mDir; LLVector4a mEnd; @@ -121,10 +120,13 @@ public: LLVector4a* mNormal; LLVector4a* mTangent; F32* mClosestT; + LLVolumeFace* mFace; bool mHitFace; + const LLVolumeTriangle* mHitTriangle = nullptr; LLOctreeTriangleRayIntersect(const LLVector4a& start, const LLVector4a& dir, - const LLVolumeFace* face, F32* closest_t, + LLVolumeFace* face, + F32* closest_t, LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent); void traverse(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* node); @@ -137,4 +139,91 @@ class LLVolumeOctreeValidate : public LLOctreeTraveler<LLVolumeTriangle, LLVolum virtual void visit(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* branch); }; +class LLVolumeOctreeRebound : public LLOctreeTravelerDepthFirst<LLVolumeTriangle, LLVolumeTriangle*> +{ +public: + LLVolumeOctreeRebound() + { + } + + virtual void visit(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* branch) + { //this is a depth first traversal, so it's safe to assum all children have complete + //bounding data + LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME + + LLVolumeOctreeListener* node = (LLVolumeOctreeListener*)branch->getListener(0); + + LLVector4a& min = node->mExtents[0]; + LLVector4a& max = node->mExtents[1]; + + if (!branch->isEmpty()) + { //node has data, find AABB that binds data set + const LLVolumeTriangle* tri = *(branch->getDataBegin()); + + //initialize min/max to first available vertex + min = *(tri->mV[0]); + max = *(tri->mV[0]); + + for (LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>::const_element_iter iter = branch->getDataBegin(); iter != branch->getDataEnd(); ++iter) + { //for each triangle in node + + //stretch by triangles in node + tri = *iter; + + min.setMin(min, *tri->mV[0]); + min.setMin(min, *tri->mV[1]); + min.setMin(min, *tri->mV[2]); + + max.setMax(max, *tri->mV[0]); + max.setMax(max, *tri->mV[1]); + max.setMax(max, *tri->mV[2]); + } + } + else if (branch->getChildCount() > 0) + { //no data, but child nodes exist + LLVolumeOctreeListener* child = (LLVolumeOctreeListener*)branch->getChild(0)->getListener(0); + + //initialize min/max to extents of first child + min = child->mExtents[0]; + max = child->mExtents[1]; + } + else + { + llassert(!branch->isLeaf()); // Empty leaf + } + + for (S32 i = 0; i < branch->getChildCount(); ++i) + { //stretch by child extents + LLVolumeOctreeListener* child = (LLVolumeOctreeListener*)branch->getChild(i)->getListener(0); + min.setMin(min, child->mExtents[0]); + max.setMax(max, child->mExtents[1]); + } + + node->mBounds[0].setAdd(min, max); + node->mBounds[0].mul(0.5f); + + node->mBounds[1].setSub(max, min); + node->mBounds[1].mul(0.5f); + } +}; + +class LLVolumeOctree : public LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>, public LLRefCount +{ +public: + LLVolumeOctree(const LLVector4a& center, const LLVector4a& size) + : + LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>(center, size, nullptr), + LLRefCount() + { + new LLVolumeOctreeListener(this); + } + + LLVolumeOctree() + : LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>(LLVector4a::getZero(), LLVector4a(1.f,1.f,1.f), nullptr), + LLRefCount() + { + new LLVolumeOctreeListener(this); + } +}; + #endif |