diff options
author | Dave Parks <davep@lindenlab.com> | 2010-05-21 23:55:18 -0500 |
---|---|---|
committer | Dave Parks <davep@lindenlab.com> | 2010-05-21 23:55:18 -0500 |
commit | 8919f4811a7dcaf47dc58159e0ba4ba042183325 (patch) | |
tree | caa346a3083d891dc1eedeb66876700f67c3a8df /indra/llmath/llvolume.cpp | |
parent | 1ad56f84ef1102803986889cdd5b2a687adb557e (diff) |
blah
Diffstat (limited to 'indra/llmath/llvolume.cpp')
-rw-r--r-- | indra/llmath/llvolume.cpp | 262 |
1 files changed, 191 insertions, 71 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 5ffc61ce9c..4e342b0b48 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -43,10 +43,12 @@ #include "v4math.h" #include "m4math.h" #include "m3math.h" +#include "llmatrix4a.h" #include "lldarray.h" #include "llvolume.h" #include "llstl.h" #include "llsdserialize.h" +#include "llvector4a.h" #define DEBUG_SILHOUETTE_BINORMALS 0 #define DEBUG_SILHOUETTE_NORMALS 0 // TomY: Use this to display normals using the silhouette @@ -1992,11 +1994,10 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) LLVolumeFace& face = mVolumeFaces[i]; - face.mHasBinormals = false; - //copy out indices - face.mIndices.resize(idx.size()/2); - if (idx.empty() || face.mIndices.size() < 3) + face.resizeIndices(idx.size()/2); + + if (idx.empty() || face.mNumIndices < 3) { //why is there an empty index list? llerrs <<"WTF?" << llendl; continue; @@ -2010,7 +2011,7 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) //copy out vertices U32 num_verts = pos.size()/(3*2); - face.mVertices.resize(num_verts); + face.resizeVertices(num_verts); if (mdl[i].has("Weights")) { @@ -2059,7 +2060,6 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) LLVector3 max_pos; LLVector2 min_tc; LLVector2 max_tc; - min_pos.setValue(mdl[i]["PositionDomain"]["Min"]); max_pos.setValue(mdl[i]["PositionDomain"]["Max"]); @@ -2074,36 +2074,44 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) min = max = LLVector3(0,0,0); + F32* pos_out = face.mPositions; + F32* norm_out = face.mNormals; + F32* tc_out = face.mTexCoords; + for (U32 j = 0; j < num_verts; ++j) { U16* v = (U16*) &(pos[j*3*2]); - face.mVertices[j].mPosition.setVec( - (F32) v[0] / 65535.f * pos_range.mV[0] + min_pos.mV[0], - (F32) v[1] / 65535.f * pos_range.mV[1] + min_pos.mV[1], - (F32) v[2] / 65535.f * pos_range.mV[2] + min_pos.mV[2]); + pos_out[0] = (F32) v[0] / 65535.f * pos_range.mV[0] + min_pos.mV[0]; + pos_out[1] = (F32) v[1] / 65535.f * pos_range.mV[1] + min_pos.mV[1]; + pos_out[2] = (F32) v[2] / 65535.f * pos_range.mV[2] + min_pos.mV[2]; + if (j == 0) { - min = max = face.mVertices[j].mPosition; + min = max = LLVector3(pos_out); } else { - update_min_max(min,max,face.mVertices[j].mPosition); + update_min_max(min,max,pos_out); } + pos_out += 4; + U16* n = (U16*) &(norm[j*3*2]); - face.mVertices[j].mNormal.setVec( - (F32) n[0] / 65535.f * 2.f - 1.f, - (F32) n[1] / 65535.f * 2.f - 1.f, - (F32) n[2] / 65535.f * 2.f - 1.f); + + norm_out[0] = (F32) n[0] / 65535.f * 2.f - 1.f; + norm_out[1] = (F32) n[1] / 65535.f * 2.f - 1.f; + norm_out[2] = (F32) n[2] / 65535.f * 2.f - 1.f; + norm_out += 4; U16* t = (U16*) &(tc[j*2*2]); - face.mVertices[j].mTexCoord.setVec( - (F32) t[0] / 65535.f * tc_range.mV[0] + min_tc.mV[0], - (F32) t[1] / 65535.f * tc_range.mV[1] + min_tc.mV[1]); + tc_out[0] = (F32) t[0] / 65535.f * tc_range.mV[0] + min_tc.mV[0]; + tc_out[1] = (F32) t[1] / 65535.f * tc_range.mV[1] + min_tc.mV[1]; + + tc_out += 8; } @@ -2133,24 +2141,29 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) if (do_reflect_x) { - for (S32 i = 0; i < face.mVertices.size(); i++) + LLVector4a* p = (LLVector4a*) face.mPositions; + LLVector4a* n = (LLVector4a*) face.mNormals; + + for (S32 i = 0; i < face.mNumVertices; i++) { - face.mVertices[i].mPosition.mV[VX] *= -1.0f; - face.mVertices[i].mNormal.mV[VX] *= -1.0f; + p[i].mul(-1.0f); + n[i].mul(-1.0f); } } if (do_invert_normals) { - for (S32 i = 0; i < face.mVertices.size(); i++) + LLVector4a* n = (LLVector4a*) face.mNormals; + + for (S32 i = 0; i < face.mNumVertices; i++) { - face.mVertices[i].mNormal *= -1.0f; + n[i].mul(-1.0f); } } if (do_reverse_triangles) { - for (U32 j = 0; j < face.mIndices.size(); j += 3) + for (U32 j = 0; j < face.mNumIndices; j += 3) { // swap the 2nd and 3rd index S32 swap = face.mIndices[j+1]; @@ -2215,9 +2228,28 @@ void LLVolume::makeTetrahedron() tetrahedron_set_normal(cv); - face.mVertices.push_back(cv[0]); - face.mVertices.push_back(cv[1]); - face.mVertices.push_back(cv[2]); + face.resizeVertices(12); + face.resizeIndices(12); + + LLVector4a* v = (LLVector4a*) face.mPositions; + LLVector4a* n = (LLVector4a*) face.mNormals; + LLVector2* tc = (LLVector2*) face.mTexCoords; + + v[0].load3(cv[0].mPosition.mV); + v[1].load3(cv[1].mPosition.mV); + v[2].load3(cv[2].mPosition.mV); + v += 3; + + n[0].load3(cv[0].mNormal.mV); + n[1].load3(cv[1].mNormal.mV); + n[2].load3(cv[2].mNormal.mV); + n += 3; + + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + //side 2 cv[0].mPosition = p[3]; @@ -2226,9 +2258,20 @@ void LLVolume::makeTetrahedron() tetrahedron_set_normal(cv); - face.mVertices.push_back(cv[0]); - face.mVertices.push_back(cv[1]); - face.mVertices.push_back(cv[2]); + v[0].load3(cv[0].mPosition.mV); + v[1].load3(cv[1].mPosition.mV); + v[2].load3(cv[2].mPosition.mV); + v += 3; + + n[0].load3(cv[0].mNormal.mV); + n[1].load3(cv[1].mNormal.mV); + n[2].load3(cv[2].mNormal.mV); + n += 3; + + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; //side 3 cv[0].mPosition = p[3]; @@ -2237,9 +2280,20 @@ void LLVolume::makeTetrahedron() tetrahedron_set_normal(cv); - face.mVertices.push_back(cv[0]); - face.mVertices.push_back(cv[1]); - face.mVertices.push_back(cv[2]); + v[0].load3(cv[0].mPosition.mV); + v[1].load3(cv[1].mPosition.mV); + v[2].load3(cv[2].mPosition.mV); + v += 3; + + n[0].load3(cv[0].mNormal.mV); + n[1].load3(cv[1].mNormal.mV); + n[2].load3(cv[2].mNormal.mV); + n += 3; + + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; //side 4 cv[0].mPosition = p[2]; @@ -2248,14 +2302,25 @@ void LLVolume::makeTetrahedron() tetrahedron_set_normal(cv); - face.mVertices.push_back(cv[0]); - face.mVertices.push_back(cv[1]); - face.mVertices.push_back(cv[2]); + v[0].load3(cv[0].mPosition.mV); + v[1].load3(cv[1].mPosition.mV); + v[2].load3(cv[2].mPosition.mV); + v += 3; + + n[0].load3(cv[0].mNormal.mV); + n[1].load3(cv[1].mNormal.mV); + n[2].load3(cv[2].mNormal.mV); + n += 3; + + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; //set index buffer - for (U32 i = 0; i < 12; i++) + for (U16 i = 0; i < 12; i++) { - face.mIndices.push_back(i); + face.mIndices[i] = i; } mVolumeFaces.push_back(face); @@ -3831,7 +3896,7 @@ S32 LLVolume::getNumTriangles() const for (S32 i = 0; i < getNumVolumeFaces(); ++i) { - triangle_count += getVolumeFace(i).mIndices.size()/3; + triangle_count += getVolumeFace(i).mNumIndices/3; } return triangle_count; @@ -3844,13 +3909,22 @@ S32 LLVolume::getNumTriangles() const void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, std::vector<LLVector3> &normals, std::vector<S32> &segments, - const LLVector3& obj_cam_vec, - const LLMatrix4& mat, - const LLMatrix3& norm_mat, + const LLVector3& obj_cam_vec_in, + const LLMatrix4& mat_in, + const LLMatrix3& norm_mat_in, S32 face_mask) { LLMemType m1(LLMemType::MTYPE_VOLUME); + LLMatrix4a mat; + mat.loadu(mat_in); + + LLMatrix4a norm_mat; + norm_mat.loadu(norm_mat_in); + + LLVector4a obj_cam_vec; + obj_cam_vec.load3(obj_cam_vec_in.mV); + vertices.clear(); normals.clear(); segments.clear(); @@ -3868,7 +3942,7 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, LLVolumeFace& face = *iter; if (!(face_mask & (0x1 << cur_index++)) || - face.mIndices.empty() || face.mEdge.empty()) + face.mNumIndices == 0 || face.mEdge.empty()) { continue; } @@ -3885,7 +3959,7 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, #if DEBUG_SILHOUETTE_EDGE_MAP //for each triangle - U32 count = face.mIndices.size(); + U32 count = face.mNumIndices; for (U32 j = 0; j < count/3; j++) { //get vertices S32 v1 = face.mIndices[j*3+0]; @@ -3938,7 +4012,7 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, #elif DEBUG_SILHOUETTE_NORMALS //for each vertex - for (U32 j = 0; j < face.mVertices.size(); j++) { + for (U32 j = 0; j < face.mNumVertices; j++) { vertices.push_back(face.mVertices[j].mPosition); vertices.push_back(face.mVertices[j].mPosition + face.mVertices[j].mNormal*0.1f); normals.push_back(LLVector3(0,0,1)); @@ -3964,26 +4038,36 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, //for each triangle std::vector<U8> fFacing; - vector_append(fFacing, face.mIndices.size()/3); - for (U32 j = 0; j < face.mIndices.size()/3; j++) + vector_append(fFacing, face.mNumIndices/3); + + LLVector4a* v = (LLVector4a*) face.mPositions; + LLVector4a* n = (LLVector4a*) face.mNormals; + + for (U32 j = 0; j < face.mNumIndices/3; j++) { //approximate normal S32 v1 = face.mIndices[j*3+0]; S32 v2 = face.mIndices[j*3+1]; S32 v3 = face.mIndices[j*3+2]; - LLVector3 norm = (face.mVertices[v1].mPosition - face.mVertices[v2].mPosition) % - (face.mVertices[v2].mPosition - face.mVertices[v3].mPosition); - - if (norm.magVecSquared() < 0.00000001f) + LLVector4a c1,c2; + c1.setSub(v[v1], v[v2]); + c2.setSub(v[v2], v[v3]); + + LLVector4a norm; + + norm.setCross3(c1, c2); + + if (norm.dot3(norm) < 0.00000001f) { fFacing[j] = AWAY | TOWARDS; } else { //get view vector - LLVector3 view = (obj_cam_vec-face.mVertices[v1].mPosition); - bool away = view * norm > 0.0f; + LLVector4a view; + view.setSub(obj_cam_vec, v[v1]); + bool away = view.dot3(norm) > 0.0f; if (away) { fFacing[j] = AWAY; @@ -3996,7 +4080,7 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, } //for each triangle - for (U32 j = 0; j < face.mIndices.size()/3; j++) + for (U32 j = 0; j < face.mNumIndices/3; j++) { if (fFacing[j] == (AWAY | TOWARDS)) { //this is a degenerate triangle @@ -4029,9 +4113,14 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, S32 v1 = face.mIndices[j*3+k]; S32 v2 = face.mIndices[j*3+((k+1)%3)]; - vertices.push_back(face.mVertices[v1].mPosition*mat); - LLVector3 norm1 = face.mVertices[v1].mNormal * norm_mat; - norm1.normVec(); + LLVector4a t; + mat.affineTransform(v[v1], t); + vertices.push_back(LLVector3(t[0], t[1], t[2])); + + norm_mat.rotate(n[v1], t); + + t.normalize3Fast(); + LLVector3 norm1 = LLVector3(t[0], t[1], t[2]); normals.push_back(norm1); vertices.push_back(face.mVertices[v2].mPosition*mat); @@ -4088,7 +4177,7 @@ S32 LLVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, genBinormals(i); } - for (U32 tri = 0; tri < face.mIndices.size()/3; tri++) + for (U32 tri = 0; tri < face.mNumIndices/3; tri++) { S32 index1 = face.mIndices[tri*3+0]; S32 index2 = face.mIndices[tri*3+1]; @@ -4928,7 +5017,7 @@ void LLVolumeFace::optimize(F32 angle_cutoff) VertexMapData::PointMap point_map; //remove redundant vertices - for (U32 i = 0; i < mIndices.size(); ++i) + for (U32 i = 0; i < mNumIndices; ++i) { U16 index = mIndices[i]; @@ -4953,7 +5042,7 @@ void LLVolumeFace::optimize(F32 angle_cutoff) if (!found) { new_face.mVertices.push_back(cv); - U16 index = (U16) new_face.mVertices.size()-1; + U16 index = (U16) new_face.mNumVertices-1; new_face.mIndices.push_back(index); VertexMapData d; @@ -5053,7 +5142,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) mVertices.clear(); } - S32 vtop = mVertices.size(); + S32 vtop = mNumVertices; for(int gx = 0;gx<grid_size+1;gx++){ for(int gy = 0;gy<grid_size+1;gy++){ VertexData newVert; @@ -5570,7 +5659,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) void LLVolumeFace::makeTriStrip() { #if GEN_TRI_STRIP - for (U32 i = 0; i < mIndices.size(); i+=3) + for (U32 i = 0; i < mNumIndices; i+=3) { U16 i0 = mIndices[i]; U16 i1 = mIndices[i+1]; @@ -5608,7 +5697,7 @@ void LLVolumeFace::createBinormals() if (!mHasBinormals) { //generate binormals - for (U32 i = 0; i < mIndices.size()/3; i++) + for (U32 i = 0; i < mNumIndices/3; i++) { //for each triangle const VertexData& v0 = mVertices[mIndices[i*3+0]]; const VertexData& v1 = mVertices[mIndices[i*3+1]]; @@ -5636,7 +5725,7 @@ void LLVolumeFace::createBinormals() } //normalize binormals - for (U32 i = 0; i < mVertices.size(); i++) + for (U32 i = 0; i < mNumVertices; i++) { mVertices[i].mBinormal.normVec(); mVertices[i].mNormal.normVec(); @@ -5646,16 +5735,47 @@ void LLVolumeFace::createBinormals() } } +void LLVolumeFace::resizeVertices(S32 num_verts) +{ + _mm_free(mPositions); + _mm_free(mNormals); + _mm_free(mBinormals); + _mm_free(mTexCoords); + + mBinormals = NULL; + + mPositions = (F32*) _mm_malloc(num_verts*16, 16); + mNormals = (F32*) _mm_malloc(num_verts*16, 16); + + //pad texture coordinate block end to allow for QWORD reads + S32 size = ((num_verts*8) + 0xF) & ~0xF; + mTexCoords = (F32*) _mm_malloc(size, 16); + + mNumVertices = num_verts; +} + +void LLVolumeFace::resizeIndices(S32 num_indices) +{ + _mm_free(mIndices); + + //pad index block end to allow for QWORD reads + S32 size = ((num_indices*2) + 0xF) & ~0xF; + + mIndices = (U16*) _mm_malloc(size); + + mNumIndices = num_indices; +} + void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat, LLMatrix4& norm_mat) { - U16 offset = mVertices.size(); + U16 offset = mNumVertices; - if (face.mVertices.size() + mVertices.size() > 65536) + if (face.mNumVertices + mNumVertices > 65536) { llerrs << "Cannot append face -- 16-bit overflow will occur." << llendl; } - for (U32 i = 0; i < face.mVertices.size(); ++i) + for (U32 i = 0; i < face.mNumVertices; ++i) { VertexData v = face.mVertices[i]; v.mPosition = v.mPosition*mat; @@ -5676,7 +5796,7 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat, LLMatrix } - for (U32 i = 0; i < face.mIndices.size(); ++i) + for (U32 i = 0; i < face.mNumIndices; ++i) { mIndices.push_back(face.mIndices[i]+offset); } @@ -5823,7 +5943,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) mCenter.clearVec(); face_min = face_max = mVertices[0].mPosition; - for (U32 i = 1; i < mVertices.size(); ++i) + for (U32 i = 1; i < mNumVertices; ++i) { update_min_max(face_min, face_max, mVertices[i].mPosition); } @@ -5922,7 +6042,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) } //generate normals - for (U32 i = 0; i < mIndices.size()/3; i++) //for each triangle + for (U32 i = 0; i < mNumIndices/3; i++) //for each triangle { const U16* idx = &(mIndices[i*3]); |