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-rw-r--r--indra/llmath/llvolume.cpp2228
1 files changed, 1726 insertions, 502 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 34348230b6..09ab47b890 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -1,4 +1,5 @@
/**
+
* @file llvolume.cpp
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
@@ -30,6 +31,7 @@
*/
#include "linden_common.h"
+#include "llmemory.h"
#include "llmath.h"
#include <set>
@@ -43,9 +45,14 @@
#include "v4math.h"
#include "m4math.h"
#include "m3math.h"
+#include "llmatrix4a.h"
+#include "lloctree.h"
#include "lldarray.h"
#include "llvolume.h"
+#include "llvolumeoctree.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
@@ -103,127 +110,264 @@ BOOL check_same_clock_dir( const LLVector3& pt1, const LLVector3& pt2, const LLV
BOOL LLLineSegmentBoxIntersect(const LLVector3& start, const LLVector3& end, const LLVector3& center, const LLVector3& size)
{
- float fAWdU[3];
- LLVector3 dir;
- LLVector3 diff;
+ return LLLineSegmentBoxIntersect(start.mV, end.mV, center.mV, size.mV);
+}
+
+BOOL LLLineSegmentBoxIntersect(const F32* start, const F32* end, const F32* center, const F32* size)
+{
+ F32 fAWdU[3];
+ F32 dir[3];
+ F32 diff[3];
for (U32 i = 0; i < 3; i++)
{
- dir.mV[i] = 0.5f * (end.mV[i] - start.mV[i]);
- diff.mV[i] = (0.5f * (end.mV[i] + start.mV[i])) - center.mV[i];
- fAWdU[i] = fabsf(dir.mV[i]);
- if(fabsf(diff.mV[i])>size.mV[i] + fAWdU[i]) return false;
+ dir[i] = 0.5f * (end[i] - start[i]);
+ diff[i] = (0.5f * (end[i] + start[i])) - center[i];
+ fAWdU[i] = fabsf(dir[i]);
+ if(fabsf(diff[i])>size[i] + fAWdU[i]) return false;
}
float f;
- f = dir.mV[1] * diff.mV[2] - dir.mV[2] * diff.mV[1]; if(fabsf(f)>size.mV[1]*fAWdU[2] + size.mV[2]*fAWdU[1]) return false;
- f = dir.mV[2] * diff.mV[0] - dir.mV[0] * diff.mV[2]; if(fabsf(f)>size.mV[0]*fAWdU[2] + size.mV[2]*fAWdU[0]) return false;
- f = dir.mV[0] * diff.mV[1] - dir.mV[1] * diff.mV[0]; if(fabsf(f)>size.mV[0]*fAWdU[1] + size.mV[1]*fAWdU[0]) return false;
+ f = dir[1] * diff[2] - dir[2] * diff[1]; if(fabsf(f)>size[1]*fAWdU[2] + size[2]*fAWdU[1]) return false;
+ f = dir[2] * diff[0] - dir[0] * diff[2]; if(fabsf(f)>size[0]*fAWdU[2] + size[2]*fAWdU[0]) return false;
+ f = dir[0] * diff[1] - dir[1] * diff[0]; if(fabsf(f)>size[0]*fAWdU[1] + size[1]*fAWdU[0]) return false;
return true;
}
+
// intersect test between triangle vert0, vert1, vert2 and a ray from orig in direction dir.
// returns TRUE if intersecting and returns barycentric coordinates in intersection_a, intersection_b,
// and returns the intersection point along dir in intersection_t.
// Moller-Trumbore algorithm
-BOOL LLTriangleRayIntersect(const LLVector3& vert0, const LLVector3& vert1, const LLVector3& vert2, const LLVector3& orig, const LLVector3& dir,
- F32* intersection_a, F32* intersection_b, F32* intersection_t, BOOL two_sided)
+BOOL LLTriangleRayIntersect(const LLVector4a& vert0, const LLVector4a& vert1, const LLVector4a& vert2, const LLVector4a& orig, const LLVector4a& dir,
+ F32& intersection_a, F32& intersection_b, F32& intersection_t)
{
- F32 u, v, t;
/* find vectors for two edges sharing vert0 */
- LLVector3 edge1 = vert1 - vert0;
+ LLVector4a edge1;
+ edge1.setSub(vert1, vert0);
- LLVector3 edge2 = vert2 - vert0;;
+ LLVector4a edge2;
+ edge2.setSub(vert2, vert0);
/* begin calculating determinant - also used to calculate U parameter */
- LLVector3 pvec = dir % edge2;
-
- /* if determinant is near zero, ray lies in plane of triangle */
- F32 det = edge1 * pvec;
+ LLVector4a pvec;
+ pvec.setCross3(dir, edge2);
- if (!two_sided)
+ /* if determinant is near zero, ray lies in plane of triangle */
+ LLVector4a det;
+ det.setAllDot3(edge1, pvec);
+
+ if (det.greaterEqual4(LLVector4a::getApproximatelyZero()).getComparisonMask() & 0x7)
{
- if (det < F_APPROXIMATELY_ZERO)
- {
- return FALSE;
- }
-
/* calculate distance from vert0 to ray origin */
- LLVector3 tvec = orig - vert0;
+ LLVector4a tvec;
+ tvec.setSub(orig, vert0);
/* calculate U parameter and test bounds */
- u = tvec * pvec;
+ LLVector4a u;
+ u.setAllDot3(tvec,pvec);
- if (u < 0.f || u > det)
+ if ((u.greaterEqual4(LLVector4a::getZero()).getComparisonMask() & 0x7) &&
+ (u.lessEqual4(det).getComparisonMask() & 0x7))
{
- return FALSE;
+ /* prepare to test V parameter */
+ LLVector4a qvec;
+ qvec.setCross3(tvec, edge1);
+
+ /* calculate V parameter and test bounds */
+ LLVector4a v;
+ v.setAllDot3(dir, qvec);
+
+
+ //if (!(v < 0.f || u + v > det))
+
+ LLVector4a sum_uv;
+ sum_uv.setAdd(u, v);
+
+ S32 v_gequal = v.greaterEqual4(LLVector4a::getZero()).getComparisonMask() & 0x7;
+ S32 sum_lequal = sum_uv.lessEqual4(det).getComparisonMask() & 0x7;
+
+ if (v_gequal && sum_lequal)
+ {
+ /* calculate t, scale parameters, ray intersects triangle */
+ LLVector4a t;
+ t.setAllDot3(edge2,qvec);
+
+ t.div(det);
+ u.div(det);
+ v.div(det);
+
+ intersection_a = u[0];
+ intersection_b = v[0];
+ intersection_t = t[0];
+ return TRUE;
+ }
}
-
- /* prepare to test V parameter */
- LLVector3 qvec = tvec % edge1;
+ }
- /* calculate V parameter and test bounds */
- v = dir * qvec;
- if (v < 0.f || u + v > det)
- {
- return FALSE;
- }
+ return FALSE;
+}
- /* calculate t, scale parameters, ray intersects triangle */
- t = edge2 * qvec;
- F32 inv_det = 1.0 / det;
- t *= inv_det;
- u *= inv_det;
- v *= inv_det;
+BOOL LLTriangleRayIntersectTwoSided(const LLVector4a& vert0, const LLVector4a& vert1, const LLVector4a& vert2, const LLVector4a& orig, const LLVector4a& dir,
+ F32& intersection_a, F32& intersection_b, F32& intersection_t)
+{
+ F32 u, v, t;
+
+ /* find vectors for two edges sharing vert0 */
+ LLVector4a edge1;
+ edge1.setSub(vert1, vert0);
+
+
+ LLVector4a edge2;
+ edge2.setSub(vert2, vert0);
+
+ /* begin calculating determinant - also used to calculate U parameter */
+ LLVector4a pvec;
+ pvec.setCross3(dir, edge2);
+
+ /* if determinant is near zero, ray lies in plane of triangle */
+ F32 det = edge1.dot3(pvec);
+
+
+ if (det > -F_APPROXIMATELY_ZERO && det < F_APPROXIMATELY_ZERO)
+ {
+ return FALSE;
}
+
+ F32 inv_det = 1.f / det;
+
+ /* calculate distance from vert0 to ray origin */
+ LLVector4a tvec;
+ tvec.setSub(orig, vert0);
- else // two sided
- {
- if (det > -F_APPROXIMATELY_ZERO && det < F_APPROXIMATELY_ZERO)
- {
- return FALSE;
- }
- F32 inv_det = 1.0 / det;
+ /* calculate U parameter and test bounds */
+ u = (tvec.dot3(pvec)) * inv_det;
+ if (u < 0.f || u > 1.f)
+ {
+ return FALSE;
+ }
- /* calculate distance from vert0 to ray origin */
- LLVector3 tvec = orig - vert0;
+ /* prepare to test V parameter */
+ tvec.sub(edge1);
- /* calculate U parameter and test bounds */
- u = (tvec * pvec) * inv_det;
- if (u < 0.f || u > 1.f)
+ /* calculate V parameter and test bounds */
+ v = (dir.dot3(tvec)) * inv_det;
+
+ if (v < 0.f || u + v > 1.f)
+ {
+ return FALSE;
+ }
+
+ /* calculate t, ray intersects triangle */
+ t = (edge2.dot3(tvec)) * inv_det;
+
+ intersection_a = u;
+ intersection_b = v;
+ intersection_t = t;
+
+
+ return TRUE;
+}
+
+//helper for non-aligned vectors
+BOOL LLTriangleRayIntersect(const LLVector3& vert0, const LLVector3& vert1, const LLVector3& vert2, const LLVector3& orig, const LLVector3& dir,
+ F32& intersection_a, F32& intersection_b, F32& intersection_t, BOOL two_sided)
+{
+ LLVector4a vert0a, vert1a, vert2a, origa, dira;
+ vert0a.load3(vert0.mV);
+ vert1a.load3(vert1.mV);
+ vert2a.load3(vert2.mV);
+ origa.load3(orig.mV);
+ dira.load3(dir.mV);
+
+ if (two_sided)
+ {
+ return LLTriangleRayIntersectTwoSided(vert0a, vert1a, vert2a, origa, dira,
+ intersection_a, intersection_b, intersection_t);
+ }
+ else
+ {
+ return LLTriangleRayIntersect(vert0a, vert1a, vert2a, origa, dira,
+ intersection_a, intersection_b, intersection_t);
+ }
+}
+
+class LLVolumeOctreeRebound : public LLOctreeTravelerDepthFirst<LLVolumeTriangle>
+{
+public:
+ const LLVolumeFace* mFace;
+
+ LLVolumeOctreeRebound(const LLVolumeFace* face)
+ {
+ mFace = face;
+ }
+
+ virtual void visit(const LLOctreeNode<LLVolumeTriangle>* branch)
+ {
+ LLVolumeOctreeListener* node = (LLVolumeOctreeListener*) branch->getListener(0);
+
+ LLVector4a& min = node->mExtents[0];
+ LLVector4a& max = node->mExtents[1];
+
+ if (branch->getElementCount() != 0)
{
- return FALSE;
+ const LLVolumeTriangle* tri = *(branch->getData().begin());
+
+ min = *(tri->mV[0]);
+ max = *(tri->mV[0]);
+
+ for (LLOctreeNode<LLVolumeTriangle>::const_element_iter iter =
+ branch->getData().begin(); iter != branch->getData().end(); ++iter)
+ {
+ //stretch by triangles in node
+ tri = *iter;
+
+ min.setMin(*tri->mV[0]);
+ min.setMin(*tri->mV[1]);
+ min.setMin(*tri->mV[2]);
+
+ max.setMax(*tri->mV[0]);
+ max.setMax(*tri->mV[1]);
+ max.setMax(*tri->mV[2]);
}
- /* prepare to test V parameter */
- LLVector3 qvec = tvec - edge1;
-
- /* calculate V parameter and test bounds */
- v = (dir * qvec) * inv_det;
-
- if (v < 0.f || u + v > 1.f)
+ for (S32 i = 0; i < branch->getChildCount(); ++i)
+ { //stretch by child extents
+ LLVolumeOctreeListener* child = (LLVolumeOctreeListener*) branch->getChild(i)->getListener(0);
+ min.setMin(child->mExtents[0]);
+ max.setMax(child->mExtents[1]);
+ }
+ }
+ else if (branch->getChildCount() != 0)
{
- return FALSE;
+ LLVolumeOctreeListener* child = (LLVolumeOctreeListener*) branch->getChild(0)->getListener(0);
+
+ min = child->mExtents[0];
+ max = child->mExtents[1];
+
+ for (S32 i = 1; i < branch->getChildCount(); ++i)
+ { //stretch by child extents
+ child = (LLVolumeOctreeListener*) branch->getChild(i)->getListener(0);
+ min.setMin(child->mExtents[0]);
+ max.setMax(child->mExtents[1]);
+ }
+ }
+ else
+ {
+ llerrs << "WTF? Empty leaf" << llendl;
}
+
+ node->mBounds[0].setAdd(min, max);
+ node->mBounds[0].mul(0.5f);
- /* calculate t, ray intersects triangle */
- t = (edge2 * qvec) * inv_det;
+ node->mBounds[1].setSub(max,min);
+ node->mBounds[1].mul(0.5f);
}
-
- if (intersection_a != NULL)
- *intersection_a = u;
- if (intersection_b != NULL)
- *intersection_b = v;
- if (intersection_t != NULL)
- *intersection_t = t;
-
-
- return TRUE;
-}
+};
//-------------------------------------------------------------------
@@ -1673,7 +1817,9 @@ LLVolume::LLVolume(const LLVolumeParams &params, const F32 detail, const BOOL ge
mFaceMask = 0x0;
mDetail = detail;
mSculptLevel = -2;
-
+ mIsTetrahedron = FALSE;
+ mLODScaleBias.setVec(1,1,1);
+
// set defaults
if (mParams.getPathParams().getCurveType() == LL_PCODE_PATH_FLEXIBLE)
{
@@ -1688,7 +1834,8 @@ LLVolume::LLVolume(const LLVolumeParams &params, const F32 detail, const BOOL ge
mGenerateSingleFace = generate_single_face;
generate();
- if (mParams.getSculptID().isNull())
+
+ if (mParams.getSculptID().isNull() && mParams.getSculptType() == LL_SCULPT_TYPE_NONE)
{
createVolumeFaces();
}
@@ -1839,6 +1986,574 @@ BOOL LLVolume::generate()
return FALSE;
}
+void LLVolumeFace::VertexData::init()
+{
+ mData = (LLVector4a*) ll_aligned_malloc_16(32);
+}
+
+LLVolumeFace::VertexData::VertexData()
+{
+ init();
+}
+
+LLVolumeFace::VertexData::VertexData(const VertexData& rhs)
+{
+ init();
+ LLVector4a::memcpyNonAliased16((F32*) mData, (F32*) rhs.mData, 8);
+ mTexCoord = rhs.mTexCoord;
+}
+
+LLVolumeFace::VertexData::~VertexData()
+{
+ ll_aligned_free_16(mData);
+}
+
+LLVector4a& LLVolumeFace::VertexData::getPosition()
+{
+ return mData[POSITION];
+}
+
+LLVector4a& LLVolumeFace::VertexData::getNormal()
+{
+ return mData[NORMAL];
+}
+
+const LLVector4a& LLVolumeFace::VertexData::getPosition() const
+{
+ return mData[POSITION];
+}
+
+const LLVector4a& LLVolumeFace::VertexData::getNormal() const
+{
+ return mData[NORMAL];
+}
+
+
+void LLVolumeFace::VertexData::setPosition(const LLVector4a& pos)
+{
+ mData[POSITION] = pos;
+}
+
+void LLVolumeFace::VertexData::setNormal(const LLVector4a& norm)
+{
+ mData[NORMAL] = norm;
+}
+
+bool LLVolumeFace::VertexData::operator<(const LLVolumeFace::VertexData& rhs)const
+{
+ const U8* l = (const U8*) this;
+ const U8* r = (const U8*) &rhs;
+
+ for (U32 i = 0; i < sizeof(VertexData); ++i)
+ {
+ if (l[i] != r[i])
+ {
+ return r[i] < l[i];
+ }
+ }
+
+ return false;
+}
+
+bool LLVolumeFace::VertexData::operator==(const LLVolumeFace::VertexData& rhs)const
+{
+ const U8* l = (const U8*) this;
+ const U8* r = (const U8*) &rhs;
+
+ for (U32 i = 0; i < sizeof(VertexData); ++i)
+ {
+ if (l[i] != r[i])
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs, F32 angle_cutoff) const
+{
+ bool retval = false;
+ if (rhs.mData[POSITION].equal3(mData[POSITION]) && rhs.mTexCoord == mTexCoord)
+ {
+ if (angle_cutoff > 1.f)
+ {
+ retval = (mData[NORMAL].equal3(rhs.mData[NORMAL]));
+ }
+ else
+ {
+ F32 cur_angle = rhs.mData[NORMAL].dot3(mData[NORMAL]);
+ retval = cur_angle > angle_cutoff;
+ }
+ }
+
+ return retval;
+}
+
+BOOL LLVolume::createVolumeFacesFromFile(const std::string& file_name)
+{
+ std::ifstream is;
+
+ is.open(file_name.c_str(), std::ifstream::in | std::ifstream::binary);
+
+ BOOL success = createVolumeFacesFromStream(is);
+
+ is.close();
+
+ return success;
+}
+
+BOOL LLVolume::createVolumeFacesFromStream(std::istream& is)
+{
+ mSculptLevel = -1; // default is an error occured
+
+ LLSD header;
+ {
+ if (!LLSDSerialize::deserialize(header, is, 1024*1024*1024))
+ {
+ llwarns << "Mesh header parse error. Not a valid mesh asset!" << llendl;
+ return FALSE;
+ }
+ }
+
+ std::string nm[] =
+ {
+ "lowest_lod",
+ "low_lod",
+ "medium_lod",
+ "high_lod"
+ };
+
+ S32 lod = llclamp((S32) mDetail, 0, 3);
+
+ while (lod < 4 &&
+ (header[nm[lod]]["offset"].asInteger() == -1 ||
+ header[nm[lod]]["size"].asInteger() == 0 ))
+ {
+ ++lod;
+ }
+
+ if (lod >= 4)
+ {
+ lod = llclamp((S32) mDetail, 0, 3);
+
+ while (lod >= 0 &&
+ (header[nm[lod]]["offset"].asInteger() == -1 ||
+ header[nm[lod]]["size"].asInteger() == 0) )
+ {
+ --lod;
+ }
+
+ if (lod < 0)
+ {
+ llwarns << "Mesh header missing LOD offsets. Not a valid mesh asset!" << llendl;
+ return FALSE;
+ }
+ }
+
+ is.seekg(header[nm[lod]]["offset"].asInteger(), std::ios_base::cur);
+
+ return unpackVolumeFaces(is, header[nm[lod]]["size"].asInteger());
+}
+
+bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)
+{
+ //input stream is now pointing at a zlib compressed block of LLSD
+ //decompress block
+ LLSD mdl;
+ if (!unzip_llsd(mdl, is, size))
+ {
+ llwarns << "not a valid mesh asset!" << llendl;
+ return false;
+ }
+
+ {
+ U32 face_count = mdl.size();
+
+ if (face_count == 0)
+ {
+ llerrs << "WTF?" << llendl;
+ }
+
+ mVolumeFaces.resize(face_count);
+
+ for (U32 i = 0; i < face_count; ++i)
+ {
+ LLSD::Binary pos = mdl[i]["Position"];
+ LLSD::Binary norm = mdl[i]["Normal"];
+ LLSD::Binary tc = mdl[i]["TexCoord0"];
+ LLSD::Binary idx = mdl[i]["TriangleList"];
+
+ LLVolumeFace& face = mVolumeFaces[i];
+
+ //copy out indices
+ face.resizeIndices(idx.size()/2);
+
+ if (idx.empty() || face.mNumIndices < 3)
+ { //why is there an empty index list?
+ llerrs <<"WTF?" << llendl;
+ continue;
+ }
+
+ U16* indices = (U16*) &(idx[0]);
+ for (U32 j = 0; j < idx.size()/2; ++j)
+ {
+ face.mIndices[j] = indices[j];
+ }
+
+ //copy out vertices
+ U32 num_verts = pos.size()/(3*2);
+ face.resizeVertices(num_verts);
+
+ if (mdl[i].has("Weights"))
+ {
+ face.allocateWeights(num_verts);
+
+ LLSD::Binary weights = mdl[i]["Weights"];
+
+ U32 idx = 0;
+
+ U32 cur_vertex = 0;
+ while (idx < weights.size() && cur_vertex < num_verts)
+ {
+ const U8 END_INFLUENCES = 0xFF;
+ U8 joint = weights[idx++];
+
+ U32 cur_influence = 0;
+ LLVector4 wght(0,0,0,0);
+
+ while (joint != END_INFLUENCES)
+ {
+ U16 influence = weights[idx++];
+ influence |= ((U16) weights[idx++] << 8);
+
+ F32 w = llmin((F32) influence / 65535.f, 0.99999f);
+ wght.mV[cur_influence++] = (F32) joint + w;
+
+ if (cur_influence >= 4)
+ {
+ joint = END_INFLUENCES;
+ }
+ else
+ {
+ joint = weights[idx++];
+ }
+ }
+
+ face.mWeights[cur_vertex].loadua(wght.mV);
+
+ cur_vertex++;
+ }
+
+ if (cur_vertex != num_verts || idx != weights.size())
+ {
+ llwarns << "Vertex weight count does not match vertex count!" << llendl;
+ }
+
+ }
+
+ LLVector3 minp;
+ LLVector3 maxp;
+ LLVector2 min_tc;
+ LLVector2 max_tc;
+
+ minp.setValue(mdl[i]["PositionDomain"]["Min"]);
+ maxp.setValue(mdl[i]["PositionDomain"]["Max"]);
+ LLVector4a min_pos, max_pos;
+ min_pos.load3(minp.mV);
+ max_pos.load3(maxp.mV);
+
+ min_tc.setValue(mdl[i]["TexCoord0Domain"]["Min"]);
+ max_tc.setValue(mdl[i]["TexCoord0Domain"]["Max"]);
+
+ LLVector4a pos_range;
+ pos_range.setSub(max_pos, min_pos);
+ LLVector2 tc_range = max_tc - min_tc;
+
+ LLVector4a& min = face.mExtents[0];
+ LLVector4a& max = face.mExtents[1];
+
+ min.clear();
+ max.clear();
+
+ LLVector4a* pos_out = face.mPositions;
+ LLVector4a* norm_out = face.mNormals;
+ LLVector2* tc_out = face.mTexCoords;
+
+ for (U32 j = 0; j < num_verts; ++j)
+ {
+ U16* v = (U16*) &(pos[j*3*2]);
+
+ pos_out->set((F32) v[0], (F32) v[1], (F32) v[2]);
+ pos_out->div(65535.f);
+ pos_out->mul(pos_range);
+ pos_out->add(min_pos);
+
+ if (j == 0)
+ {
+ min = *pos_out;
+ max = min;
+ }
+ else
+ {
+ min.setMin(*pos_out);
+ max.setMax(*pos_out);
+ }
+
+ pos_out++;
+
+ U16* n = (U16*) &(norm[j*3*2]);
+
+ norm_out->set((F32) n[0], (F32) n[1], (F32) n[2]);
+ norm_out->div(65535.f);
+ norm_out->mul(2.f);
+ norm_out->sub(1.f);
+ norm_out++;
+
+ U16* t = (U16*) &(tc[j*2*2]);
+
+ tc_out->mV[0] = (F32) t[0] / 65535.f * tc_range.mV[0] + min_tc.mV[0];
+ tc_out->mV[1] = (F32) t[1] / 65535.f * tc_range.mV[1] + min_tc.mV[1];
+
+ tc_out++;
+ }
+
+
+ // modifier flags?
+ bool do_mirror = (mParams.getSculptType() & LL_SCULPT_FLAG_MIRROR);
+ bool do_invert = (mParams.getSculptType() &LL_SCULPT_FLAG_INVERT);
+
+
+ // translate to actions:
+ bool do_reflect_x = false;
+ bool do_reverse_triangles = false;
+ bool do_invert_normals = false;
+
+ if (do_mirror)
+ {
+ do_reflect_x = true;
+ do_reverse_triangles = !do_reverse_triangles;
+ }
+
+ if (do_invert)
+ {
+ do_invert_normals = true;
+ do_reverse_triangles = !do_reverse_triangles;
+ }
+
+ // now do the work
+
+ if (do_reflect_x)
+ {
+ LLVector4a* p = (LLVector4a*) face.mPositions;
+ LLVector4a* n = (LLVector4a*) face.mNormals;
+
+ for (S32 i = 0; i < face.mNumVertices; i++)
+ {
+ p[i].mul(-1.0f);
+ n[i].mul(-1.0f);
+ }
+ }
+
+ if (do_invert_normals)
+ {
+ LLVector4a* n = (LLVector4a*) face.mNormals;
+
+ for (S32 i = 0; i < face.mNumVertices; i++)
+ {
+ n[i].mul(-1.0f);
+ }
+ }
+
+ if (do_reverse_triangles)
+ {
+ for (U32 j = 0; j < face.mNumIndices; j += 3)
+ {
+ // swap the 2nd and 3rd index
+ S32 swap = face.mIndices[j+1];
+ face.mIndices[j+1] = face.mIndices[j+2];
+ face.mIndices[j+2] = swap;
+ }
+ }
+
+ }
+ }
+
+ mSculptLevel = 0; // success!
+ return true;
+}
+
+void tetrahedron_set_normal(LLVolumeFace::VertexData* cv)
+{
+ LLVector4a v0;
+ v0.setSub(cv[1].getPosition(), cv[0].getNormal());
+ LLVector4a v1;
+ v1.setSub(cv[2].getNormal(), cv[0].getPosition());
+
+ cv[0].getNormal().setCross3(v0,v1);
+ cv[0].getNormal().normalize3fast();
+ cv[1].setNormal(cv[0].getNormal());
+ cv[2].setNormal(cv[1].getNormal());
+}
+
+BOOL LLVolume::isTetrahedron()
+{
+ return mIsTetrahedron;
+}
+
+void LLVolume::makeTetrahedron()
+{
+ mVolumeFaces.clear();
+
+ LLVolumeFace face;
+
+ F32 x = 0.25f;
+ LLVector4a p[] =
+ { //unit tetrahedron corners
+ LLVector4a(x,x,x),
+ LLVector4a(-x,-x,x),
+ LLVector4a(-x,x,-x),
+ LLVector4a(x,-x,-x)
+ };
+
+ face.mExtents[0].splat(-x);
+ face.mExtents[1].splat(x);
+
+ LLVolumeFace::VertexData cv[3];
+
+ //set texture coordinates
+ cv[0].mTexCoord = LLVector2(0,0);
+ cv[1].mTexCoord = LLVector2(1,0);
+ cv[2].mTexCoord = LLVector2(0.5f, 0.5f*F_SQRT3);
+
+
+ //side 1
+ cv[0].setPosition(p[1]);
+ cv[1].setPosition(p[0]);
+ cv[2].setPosition(p[2]);
+
+ tetrahedron_set_normal(cv);
+
+ face.resizeVertices(12);
+ face.resizeIndices(12);
+
+ LLVector4a* v = (LLVector4a*) face.mPositions;
+ LLVector4a* n = (LLVector4a*) face.mNormals;
+ LLVector2* tc = (LLVector2*) face.mTexCoords;
+
+ v[0] = cv[0].getPosition();
+ v[1] = cv[1].getPosition();
+ v[2] = cv[2].getPosition();
+ v += 3;
+
+ n[0] = cv[0].getNormal();
+ n[1] = cv[1].getNormal();
+ n[2] = cv[2].getNormal();
+ n += 3;
+
+ tc[0] = cv[0].mTexCoord;
+ tc[1] = cv[1].mTexCoord;
+ tc[2] = cv[2].mTexCoord;
+ tc += 3;
+
+
+ //side 2
+ cv[0].setPosition(p[3]);
+ cv[1].setPosition(p[0]);
+ cv[2].setPosition(p[1]);
+
+ tetrahedron_set_normal(cv);
+
+ v[0] = cv[0].getPosition();
+ v[1] = cv[1].getPosition();
+ v[2] = cv[2].getPosition();
+ v += 3;
+
+ n[0] = cv[0].getNormal();
+ n[1] = cv[1].getNormal();
+ n[2] = cv[2].getNormal();
+ n += 3;
+
+ 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]);
+ cv[2].setPosition(p[2]);
+
+ tetrahedron_set_normal(cv);
+
+ v[0] = cv[0].getPosition();
+ v[1] = cv[1].getPosition();
+ v[2] = cv[2].getPosition();
+ v += 3;
+
+ n[0] = cv[0].getNormal();
+ n[1] = cv[1].getNormal();
+ n[2] = cv[2].getNormal();
+ n += 3;
+
+ tc[0] = cv[0].mTexCoord;
+ tc[1] = cv[1].mTexCoord;
+ tc[2] = cv[2].mTexCoord;
+ tc += 3;
+
+ //side 4
+ cv[0].setPosition(p[2]);
+ cv[1].setPosition(p[0]);
+ cv[2].setPosition(p[3]);
+
+ tetrahedron_set_normal(cv);
+
+ v[0] = cv[0].getPosition();
+ v[1] = cv[1].getPosition();
+ v[2] = cv[2].getPosition();
+ v += 3;
+
+ n[0] = cv[0].getNormal();
+ n[1] = cv[1].getNormal();
+ n[2] = cv[2].getNormal();
+ n += 3;
+
+ 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++)
+ {
+ face.mIndices[i] = i;
+ }
+
+ mVolumeFaces.push_back(face);
+ mSculptLevel = 0;
+ mIsTetrahedron = TRUE;
+}
+
+void LLVolume::copyVolumeFaces(LLVolume* volume)
+{
+ mVolumeFaces = volume->mVolumeFaces;
+ mSculptLevel = 0;
+ mIsTetrahedron = FALSE;
+}
+
+
+S32 LLVolume::getNumFaces() const
+{
+ U8 sculpt_type = (mParams.getSculptType() & LL_SCULPT_TYPE_MASK);
+
+ if (sculpt_type == LL_SCULPT_TYPE_MESH)
+ {
+ return LL_SCULPT_MESH_MAX_FACES;
+ }
+
+ return (S32)mProfilep->mFaces.size();
+}
+
void LLVolume::createVolumeFaces()
{
@@ -1864,6 +2579,11 @@ void LLVolume::createVolumeFaces()
LLProfile::Face& face = mProfilep->mFaces[i];
vf.mBeginS = face.mIndex;
vf.mNumS = face.mCount;
+ if (vf.mNumS < 0)
+ {
+ llerrs << "Volume face corruption detected." << llendl;
+ }
+
vf.mBeginT = 0;
vf.mNumT= getPath().mPath.size();
vf.mID = i;
@@ -1907,6 +2627,10 @@ void LLVolume::createVolumeFaces()
if (face.mFlat && vf.mNumS > 2)
{ //flat inner faces have to copy vert normals
vf.mNumS = vf.mNumS*2;
+ if (vf.mNumS < 0)
+ {
+ llerrs << "Volume face corruption detected." << llendl;
+ }
}
}
else
@@ -2198,6 +2922,11 @@ void LLVolume::sculpt(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components,
LLMemType m1(LLMemType::MTYPE_VOLUME);
U8 sculpt_type = mParams.getSculptType();
+ if (sculpt_type & LL_SCULPT_TYPE_MASK == LL_SCULPT_TYPE_MESH)
+ {
+ llerrs << "WTF?" << llendl;
+ }
+
BOOL data_is_empty = FALSE;
if (sculpt_width == 0 || sculpt_height == 0 || sculpt_components < 3 || sculpt_data == NULL)
@@ -2309,7 +3038,6 @@ bool LLVolumeParams::operator<(const LLVolumeParams &params) const
return mSculptID < params.mSculptID;
}
-
return mSculptType < params.mSculptType;
@@ -3367,34 +4095,64 @@ S32 LLVolume::getNumTriangleIndices() const
return count;
}
+
+S32 LLVolume::getNumTriangles() const
+{
+ U32 triangle_count = 0;
+
+ for (S32 i = 0; i < getNumVolumeFaces(); ++i)
+ {
+ triangle_count += getVolumeFace(i).mNumIndices/3;
+ }
+
+ return triangle_count;
+}
+
+
//-----------------------------------------------------------------------------
// generateSilhouetteVertices()
//-----------------------------------------------------------------------------
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();
+ if ((mParams.getSculptType() & LL_SCULPT_TYPE_MASK) == LL_SCULPT_TYPE_MESH)
+ {
+ return;
+ }
+
S32 cur_index = 0;
//for each face
for (face_list_t::iterator iter = mVolumeFaces.begin();
iter != mVolumeFaces.end(); ++iter)
{
- const LLVolumeFace& face = *iter;
+ LLVolumeFace& face = *iter;
- if (!(face_mask & (0x1 << cur_index++)))
+ if (!(face_mask & (0x1 << cur_index++)) ||
+ face.mNumIndices == 0 || face.mEdge.empty())
{
continue;
}
+
if (face.mTypeMask & (LLVolumeFace::CAP_MASK)) {
}
@@ -3407,7 +4165,7 @@ 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];
@@ -3415,9 +4173,9 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices,
S32 v3 = face.mIndices[j*3+2];
//get current face center
- LLVector3 cCenter = (face.mVertices[v1].mPosition +
- face.mVertices[v2].mPosition +
- face.mVertices[v3].mPosition) / 3.0f;
+ LLVector3 cCenter = (face.mVertices[v1].getPosition() +
+ face.mVertices[v2].getPosition() +
+ face.mVertices[v3].getPosition()) / 3.0f;
//for each edge
for (S32 k = 0; k < 3; k++) {
@@ -3435,9 +4193,9 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices,
v3 = face.mIndices[nIndex*3+2];
//get neighbor face center
- LLVector3 nCenter = (face.mVertices[v1].mPosition +
- face.mVertices[v2].mPosition +
- face.mVertices[v3].mPosition) / 3.0f;
+ LLVector3 nCenter = (face.mVertices[v1].getPosition() +
+ face.mVertices[v2].getPosition() +
+ face.mVertices[v3].getPosition()) / 3.0f;
//draw line
vertices.push_back(cCenter);
@@ -3460,15 +4218,15 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices,
#elif DEBUG_SILHOUETTE_NORMALS
//for each vertex
- for (U32 j = 0; j < face.mVertices.size(); j++) {
- vertices.push_back(face.mVertices[j].mPosition);
- vertices.push_back(face.mVertices[j].mPosition + face.mVertices[j].mNormal*0.1f);
+ for (U32 j = 0; j < face.mNumVertices; j++) {
+ vertices.push_back(face.mVertices[j].getPosition());
+ vertices.push_back(face.mVertices[j].getPosition() + face.mVertices[j].getNormal()*0.1f);
normals.push_back(LLVector3(0,0,1));
normals.push_back(LLVector3(0,0,1));
segments.push_back(vertices.size());
#if DEBUG_SILHOUETTE_BINORMALS
- vertices.push_back(face.mVertices[j].mPosition);
- vertices.push_back(face.mVertices[j].mPosition + face.mVertices[j].mBinormal*0.1f);
+ vertices.push_back(face.mVertices[j].getPosition());
+ vertices.push_back(face.mVertices[j].getPosition() + face.mVertices[j].mBinormal*0.1f);
normals.push_back(LLVector3(0,0,1));
normals.push_back(LLVector3(0,0,1));
segments.push_back(vertices.size());
@@ -3486,26 +4244,36 @@ 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;
@@ -3518,7 +4286,7 @@ 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
@@ -3551,15 +4319,21 @@ 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();
- normals.push_back(norm1);
+ LLVector4a t;
+ mat.affineTransform(v[v1], t);
+ vertices.push_back(LLVector3(t[0], t[1], t[2]));
- vertices.push_back(face.mVertices[v2].mPosition*mat);
- LLVector3 norm2 = face.mVertices[v2].mNormal * norm_mat;
- norm2.normVec();
- normals.push_back(norm2);
+ norm_mat.rotate(n[v1], t);
+
+ t.normalize3fast();
+ normals.push_back(LLVector3(t[0], t[1], t[2]));
+
+ mat.affineTransform(v[v2], t);
+ vertices.push_back(LLVector3(t[0], t[1], t[2]));
+
+ norm_mat.rotate(n[v2], t);
+ t.normalize3fast();
+ normals.push_back(LLVector3(t[0], t[1], t[2]));
segments.push_back(vertices.size());
}
@@ -3574,6 +4348,19 @@ S32 LLVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
S32 face,
LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal)
{
+ LLVector4a starta, enda;
+ starta.load3(start.mV);
+ enda.load3(end.mV);
+
+ return lineSegmentIntersect(starta, enda, face, intersection, tex_coord, normal, bi_normal);
+
+}
+
+
+S32 LLVolume::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
+ S32 face,
+ LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal)
+{
S32 hit_face = -1;
S32 start_face;
@@ -3590,16 +4377,23 @@ S32 LLVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
end_face = face;
}
- LLVector3 dir = end - start;
+ LLVector4a dir;
+ dir.setSub(end, start);
F32 closest_t = 2.f; // must be larger than 1
+ end_face = llmin(end_face, getNumVolumeFaces()-1);
+
for (S32 i = start_face; i <= end_face; i++)
{
- const LLVolumeFace &face = getVolumeFace((U32)i);
+ LLVolumeFace &face = mVolumeFaces[i];
- LLVector3 box_center = (face.mExtents[0] + face.mExtents[1]) / 2.f;
- LLVector3 box_size = face.mExtents[1] - face.mExtents[0];
+ LLVector4a box_center;
+ box_center.setAdd(face.mExtents[0], face.mExtents[1]);
+ box_center.mul(0.5f);
+
+ LLVector4a box_size;
+ box_size.setSub(face.mExtents[1], face.mExtents[0]);
if (LLLineSegmentBoxIntersect(start, end, box_center, box_size))
{
@@ -3607,56 +4401,19 @@ S32 LLVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
{
genBinormals(i);
}
-
- for (U32 tri = 0; tri < face.mIndices.size()/3; tri++)
- {
- S32 index1 = face.mIndices[tri*3+0];
- S32 index2 = face.mIndices[tri*3+1];
- S32 index3 = face.mIndices[tri*3+2];
- F32 a, b, t;
+ if (!face.mOctree)
+ {
+ face.createOctree();
+ }
- if (LLTriangleRayIntersect(face.mVertices[index1].mPosition,
- face.mVertices[index2].mPosition,
- face.mVertices[index3].mPosition,
- start, dir, &a, &b, &t, FALSE))
- {
- if ((t >= 0.f) && // if hit is after start
- (t <= 1.f) && // and before end
- (t < closest_t)) // and this hit is closer
- {
- closest_t = t;
- hit_face = i;
+ //LLVector4a* p = (LLVector4a*) face.mPositions;
- if (intersection != NULL)
- {
- *intersection = start + dir * closest_t;
- }
-
- if (tex_coord != NULL)
+ LLOctreeTriangleRayIntersect intersect(start, dir, &face, &closest_t, intersection, tex_coord, normal, bi_normal);
+ intersect.traverse(face.mOctree);
+ if (intersect.mHitFace)
{
- *tex_coord = ((1.f - a - b) * face.mVertices[index1].mTexCoord +
- a * face.mVertices[index2].mTexCoord +
- b * face.mVertices[index3].mTexCoord);
-
- }
-
- if (normal != NULL)
- {
- *normal = ((1.f - a - b) * face.mVertices[index1].mNormal +
- a * face.mVertices[index2].mNormal +
- b * face.mVertices[index3].mNormal);
- }
-
- if (bi_normal != NULL)
- {
- *bi_normal = ((1.f - a - b) * face.mVertices[index1].mBinormal +
- a * face.mVertices[index2].mBinormal +
- b * face.mVertices[index3].mBinormal);
- }
-
- }
- }
+ hit_face = i;
}
}
}
@@ -4104,11 +4861,28 @@ BOOL LLVolumeParams::exportLegacyStream(std::ostream& output_stream) const
return TRUE;
}
+LLSD LLVolumeParams::sculptAsLLSD() const
+{
+ LLSD sd = LLSD();
+ sd["id"] = getSculptID();
+ sd["type"] = getSculptType();
+
+ return sd;
+}
+
+bool LLVolumeParams::sculptFromLLSD(LLSD& sd)
+{
+ setSculptID(sd["id"].asUUID(), (U8)sd["type"].asInteger());
+ return true;
+}
+
LLSD LLVolumeParams::asLLSD() const
{
LLSD sd = LLSD();
sd["path"] = mPathParams;
sd["profile"] = mProfileParams;
+ sd["sculpt"] = sculptAsLLSD();
+
return sd;
}
@@ -4116,6 +4890,8 @@ bool LLVolumeParams::fromLLSD(LLSD& sd)
{
mPathParams.fromLLSD(sd["path"]);
mProfileParams.fromLLSD(sd["profile"]);
+ sculptFromLLSD(sd["sculpt"]);
+
return true;
}
@@ -4158,6 +4934,12 @@ const F32 MIN_CONCAVE_PATH_WEDGE = 0.111111f; // 1/9 unity
// for collison purposes
BOOL LLVolumeParams::isConvex() const
{
+ if (!getSculptID().isNull())
+ {
+ // can't determine, be safe and say no:
+ return FALSE;
+ }
+
F32 path_length = mPathParams.getEnd() - mPathParams.getBegin();
F32 hollow = mProfileParams.getHollow();
@@ -4398,9 +5180,153 @@ std::ostream& operator<<(std::ostream &s, const LLVolume *volumep)
return s;
}
+LLVolumeFace::LLVolumeFace() :
+ mID(0),
+ mTypeMask(0),
+ mBeginS(0),
+ mBeginT(0),
+ mNumS(0),
+ mNumT(0),
+ mNumVertices(0),
+ mNumIndices(0),
+ mPositions(NULL),
+ mNormals(NULL),
+ mBinormals(NULL),
+ mTexCoords(NULL),
+ mIndices(NULL),
+ mWeights(NULL),
+ mOctree(NULL)
+{
+ mExtents = (LLVector4a*) ll_aligned_malloc_16(48);
+ mCenter = mExtents+2;
+}
+
+LLVolumeFace::LLVolumeFace(const LLVolumeFace& src)
+: mID(0),
+ mTypeMask(0),
+ mBeginS(0),
+ mBeginT(0),
+ mNumS(0),
+ mNumT(0),
+ mNumVertices(0),
+ mNumIndices(0),
+ mPositions(NULL),
+ mNormals(NULL),
+ mBinormals(NULL),
+ mTexCoords(NULL),
+ mIndices(NULL),
+ mWeights(NULL),
+ mOctree(NULL)
+{
+ mExtents = (LLVector4a*) ll_aligned_malloc_16(48);
+ mCenter = mExtents+2;
+ *this = src;
+}
+
+LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src)
+{
+ if (&src == this)
+ { //self assignment, do nothing
+ return *this;
+ }
+
+ mID = src.mID;
+ mTypeMask = src.mTypeMask;
+ mBeginS = src.mBeginS;
+ mBeginT = src.mBeginT;
+ mNumS = src.mNumS;
+ mNumT = src.mNumT;
+
+ mNumVertices = 0;
+ mNumIndices = 0;
+
+ freeData();
+
+ LLVector4a::memcpyNonAliased16((F32*) mExtents, (F32*) src.mExtents, 12);
+
+ resizeVertices(src.mNumVertices);
+ resizeIndices(src.mNumIndices);
+
+ if (mNumVertices)
+ {
+ S32 vert_size = mNumVertices*4;
+ S32 tc_size = (mNumVertices*8+0xF) & ~0xF;
+ tc_size /= 4;
+
+ 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, vert_size);
+
+
+ if (src.mBinormals)
+ {
+ allocateBinormals(src.mNumVertices);
+ LLVector4a::memcpyNonAliased16((F32*) mBinormals, (F32*) src.mBinormals, vert_size);
+ }
+ else
+ {
+ ll_aligned_free_16(mBinormals);
+ mBinormals = NULL;
+ }
+
+ if (src.mWeights)
+ {
+ allocateWeights(src.mNumVertices);
+ LLVector4a::memcpyNonAliased16((F32*) mWeights, (F32*) src.mWeights, vert_size);
+ }
+ else
+ {
+ ll_aligned_free_16(mWeights);
+ mWeights = NULL;
+ }
+ }
+
+ if (mNumIndices)
+ {
+ S32 idx_size = (mNumIndices*2+0xF) & ~0xF;
+ idx_size /= 4;
+
+ LLVector4a::memcpyNonAliased16((F32*) mIndices, (F32*) src.mIndices, idx_size);
+ }
+
+
+ //delete
+ return *this;
+}
+
+LLVolumeFace::~LLVolumeFace()
+{
+ ll_aligned_free_16(mExtents);
+ mExtents = NULL;
+
+ freeData();
+}
+
+void LLVolumeFace::freeData()
+{
+ ll_aligned_free_16(mPositions);
+ mPositions = NULL;
+ ll_aligned_free_16(mNormals);
+ mNormals = NULL;
+ ll_aligned_free_16(mTexCoords);
+ mTexCoords = NULL;
+ ll_aligned_free_16(mIndices);
+ mIndices = NULL;
+ ll_aligned_free_16(mBinormals);
+ mBinormals = NULL;
+ ll_aligned_free_16(mWeights);
+ mWeights = NULL;
+
+ delete mOctree;
+ mOctree = NULL;
+}
BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build)
{
+ //tree for this face is no longer valid
+ delete mOctree;
+ mOctree = NULL;
+
if (mTypeMask & CAP_MASK)
{
return createCap(volume, partial_build);
@@ -4416,6 +5342,145 @@ BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build)
}
}
+void LLVolumeFace::getVertexData(U16 index, LLVolumeFace::VertexData& cv)
+{
+ cv.setPosition(mPositions[index]);
+ cv.setNormal(mNormals[index]);
+ cv.mTexCoord = mTexCoords[index];
+}
+
+bool LLVolumeFace::VertexMapData::operator==(const LLVolumeFace::VertexData& rhs) const
+{
+ return getPosition().equal3(rhs.getPosition()) &&
+ mTexCoord == rhs.mTexCoord &&
+ getNormal().equal3(rhs.getNormal());
+}
+
+bool LLVolumeFace::VertexMapData::ComparePosition::operator()(const LLVector4a& a, const LLVector4a& b) const
+{
+ return a.less3(b);
+}
+
+void LLVolumeFace::optimize(F32 angle_cutoff)
+{
+ LLVolumeFace new_face;
+
+ VertexMapData::PointMap point_map;
+
+ //remove redundant vertices
+ for (U32 i = 0; i < mNumIndices; ++i)
+ {
+ U16 index = mIndices[i];
+
+ LLVolumeFace::VertexData cv;
+ getVertexData(index, cv);
+
+ BOOL found = FALSE;
+ VertexMapData::PointMap::iterator point_iter = point_map.find(cv.getPosition());
+ if (point_iter != point_map.end())
+ { //duplicate point might exist
+ for (U32 j = 0; j < point_iter->second.size(); ++j)
+ {
+ LLVolumeFace::VertexData& tv = (point_iter->second)[j];
+ if (tv.compareNormal(cv, angle_cutoff))
+ {
+ found = TRUE;
+ new_face.pushIndex((point_iter->second)[j].mIndex);
+ break;
+ }
+ }
+ }
+
+ if (!found)
+ {
+ new_face.pushVertex(cv);
+ U16 index = (U16) new_face.mNumVertices-1;
+ new_face.pushIndex(index);
+
+ VertexMapData d;
+ d.setPosition(cv.getPosition());
+ d.mTexCoord = cv.mTexCoord;
+ d.setNormal(cv.getNormal());
+ d.mIndex = index;
+ if (point_iter != point_map.end())
+ {
+ point_iter->second.push_back(d);
+ }
+ else
+ {
+ point_map[d.getPosition()].push_back(d);
+ }
+ }
+ }
+
+ swapData(new_face);
+}
+
+
+void LLVolumeFace::createOctree()
+{
+ LLVector4a center;
+ LLVector4a size;
+ center.splat(0.f);
+ size.splat(1.f);
+
+ mOctree = new LLOctreeRoot<LLVolumeTriangle>(center, size, NULL);
+ new LLVolumeOctreeListener(mOctree);
+
+ for (U32 i = 0; i < mNumIndices; i+= 3)
+ {
+ LLPointer<LLVolumeTriangle> tri = new LLVolumeTriangle();
+
+ const LLVector4a& v0 = mPositions[mIndices[i]];
+ const LLVector4a& v1 = mPositions[mIndices[i+1]];
+ const LLVector4a& v2 = mPositions[mIndices[i+2]];
+
+ tri->mV[0] = &v0;
+ tri->mV[1] = &v1;
+ tri->mV[2] = &v2;
+
+ tri->mIndex[0] = mIndices[i];
+ tri->mIndex[1] = mIndices[i+1];
+ tri->mIndex[2] = mIndices[i+2];
+
+ LLVector4a min = v0;
+ min.setMin(v1);
+ min.setMin(v2);
+
+ LLVector4a max = v0;
+ max.setMax(v1);
+ max.setMax(v2);
+
+ LLVector4a center;
+ center.setAdd(min, max);
+ center.mul(0.5f);
+
+ *tri->mPositionGroup = center;
+
+ LLVector4a size;
+ size.setSub(max,min);
+
+ tri->mRadius = size.length3() * 0.5f;
+
+ mOctree->insert(tri);
+ }
+
+ LLVolumeOctreeRebound rebound(this);
+ rebound.traverse(mOctree);
+}
+
+
+void LLVolumeFace::swapData(LLVolumeFace& rhs)
+{
+ llswap(rhs.mPositions, mPositions);
+ llswap(rhs.mNormals, mNormals);
+ llswap(rhs.mBinormals, mBinormals);
+ llswap(rhs.mTexCoords, mTexCoords);
+ llswap(rhs.mIndices,mIndices);
+ llswap(rhs.mNumVertices, mNumVertices);
+ llswap(rhs.mNumIndices, mNumIndices);
+}
+
void LerpPlanarVertex(LLVolumeFace::VertexData& v0,
LLVolumeFace::VertexData& v1,
LLVolumeFace::VertexData& v2,
@@ -4423,10 +5488,21 @@ void LerpPlanarVertex(LLVolumeFace::VertexData& v0,
F32 coef01,
F32 coef02)
{
- vout.mPosition = v0.mPosition + ((v1.mPosition-v0.mPosition)*coef01)+((v2.mPosition-v0.mPosition)*coef02);
+
+ LLVector4a lhs;
+ lhs.setSub(v1.getPosition(), v0.getPosition());
+ lhs.mul(coef01);
+ LLVector4a rhs;
+ rhs.setSub(v2.getPosition(), v0.getPosition());
+ rhs.mul(coef02);
+
+ rhs.add(lhs);
+ rhs.add(v0.getPosition());
+
+ vout.setPosition(rhs);
+
vout.mTexCoord = v0.mTexCoord + ((v1.mTexCoord-v0.mTexCoord)*coef01)+((v2.mTexCoord-v0.mTexCoord)*coef02);
- vout.mNormal = v0.mNormal;
- vout.mBinormal = v0.mBinormal;
+ vout.setNormal(v0.getNormal());
}
BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
@@ -4446,8 +5522,8 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
num_vertices = (grid_size+1)*(grid_size+1);
num_indices = quad_count * 4;
- LLVector3& min = mExtents[0];
- LLVector3& max = mExtents[1];
+ LLVector4a& min = mExtents[0];
+ LLVector4a& max = mExtents[1];
S32 offset = 0;
if (mTypeMask & TOP_MASK)
@@ -4458,16 +5534,22 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
VertexData corners[4];
VertexData baseVert;
for(int t = 0; t < 4; t++){
- corners[t].mPosition = mesh[offset + (grid_size*t)].mPos;
+ corners[t].getPosition().load3( mesh[offset + (grid_size*t)].mPos.mV);
corners[t].mTexCoord.mV[0] = profile[grid_size*t].mV[0]+0.5f;
corners[t].mTexCoord.mV[1] = 0.5f - profile[grid_size*t].mV[1];
}
- baseVert.mNormal =
- ((corners[1].mPosition-corners[0].mPosition) %
- (corners[2].mPosition-corners[1].mPosition));
- baseVert.mNormal.normVec();
+
+ {
+ LLVector4a lhs;
+ lhs.setSub(corners[1].getPosition(), corners[0].getPosition());
+ LLVector4a rhs;
+ rhs.setSub(corners[2].getPosition(), corners[1].getPosition());
+ baseVert.getNormal().setCross3(lhs, rhs);
+ baseVert.getNormal().normalize3fast();
+ }
+
if(!(mTypeMask & TOP_MASK)){
- baseVert.mNormal *= -1.0f;
+ baseVert.getNormal().mul(-1.0f);
}else{
//Swap the UVs on the U(X) axis for top face
LLVector2 swap;
@@ -4478,22 +5560,23 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
corners[1].mTexCoord=corners[2].mTexCoord;
corners[2].mTexCoord=swap;
}
- baseVert.mBinormal = calc_binormal_from_triangle(
- corners[0].mPosition, corners[0].mTexCoord,
- corners[1].mPosition, corners[1].mTexCoord,
- corners[2].mPosition, corners[2].mTexCoord);
- for(int t = 0; t < 4; t++){
- corners[t].mBinormal = baseVert.mBinormal;
- corners[t].mNormal = baseVert.mNormal;
- }
- mHasBinormals = TRUE;
- if (partial_build)
- {
- mVertices.clear();
- }
+ LLVector4a binormal;
+
+ calc_binormal_from_triangle( binormal,
+ corners[0].getPosition(), corners[0].mTexCoord,
+ corners[1].getPosition(), corners[1].mTexCoord,
+ corners[2].getPosition(), corners[2].mTexCoord);
+
+ S32 size = (grid_size+1)*(grid_size+1);
+ resizeVertices(size);
+ allocateBinormals(size);
+
+ LLVector4a* pos = (LLVector4a*) mPositions;
+ LLVector4a* norm = (LLVector4a*) mNormals;
+ LLVector4a* binorm = (LLVector4a*) mBinormals;
+ LLVector2* tc = (LLVector2*) mTexCoords;
- S32 vtop = mVertices.size();
for(int gx = 0;gx<grid_size+1;gx++){
for(int gy = 0;gy<grid_size+1;gy++){
VertexData newVert;
@@ -4504,24 +5587,33 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
newVert,
(F32)gx/(F32)grid_size,
(F32)gy/(F32)grid_size);
- mVertices.push_back(newVert);
+
+ *pos++ = newVert.getPosition();
+ *norm++ = baseVert.getNormal();
+ *tc++ = newVert.mTexCoord;
+ *binorm++ = binormal;
if (gx == 0 && gy == 0)
{
- min = max = newVert.mPosition;
+ min = max = newVert.getPosition();
}
else
{
- update_min_max(min,max,newVert.mPosition);
+ min.setMin(newVert.getPosition());
+ max.setMax(newVert.getPosition());
}
}
}
- mCenter = (min + max) * 0.5f;
+ mCenter->setAdd(min, max);
+ mCenter->mul(0.5f);
if (!partial_build)
{
- mTriStrip.clear();
+ resizeIndices(grid_size*grid_size*6);
+
+ U16* out = mIndices;
+
S32 idxs[] = {0,1,(grid_size+1)+1,(grid_size+1)+1,(grid_size+1),0};
for(S32 gx = 0;gx<grid_size;gx++)
{
@@ -4532,55 +5624,19 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
{
for(S32 i=5;i>=0;i--)
{
- mIndices.push_back(vtop+(gy*(grid_size+1))+gx+idxs[i]);
- }
-
- if (gy == 0)
- {
- mTriStrip.push_back((gx+1)*(grid_size+1));
- mTriStrip.push_back((gx+1)*(grid_size+1));
- mTriStrip.push_back(gx*(grid_size+1));
- }
-
- mTriStrip.push_back(gy+1+(gx+1)*(grid_size+1));
- mTriStrip.push_back(gy+1+gx*(grid_size+1));
-
-
- if (gy == grid_size-1)
- {
- mTriStrip.push_back(gy+1+gx*(grid_size+1));
- }
+ *out++ = ((gy*(grid_size+1))+gx+idxs[i]);
+ }
}
else
{
for(S32 i=0;i<6;i++)
{
- mIndices.push_back(vtop+(gy*(grid_size+1))+gx+idxs[i]);
- }
-
- if (gy == 0)
- {
- mTriStrip.push_back(gx*(grid_size+1));
- mTriStrip.push_back(gx*(grid_size+1));
- mTriStrip.push_back((gx+1)*(grid_size+1));
- }
-
- mTriStrip.push_back(gy+1+gx*(grid_size+1));
- mTriStrip.push_back(gy+1+(gx+1)*(grid_size+1));
-
- if (gy == grid_size-1)
- {
- mTriStrip.push_back(gy+1+(gx+1)*(grid_size+1));
+ *out++ = ((gy*(grid_size+1))+gx+idxs[i]);
}
}
}
}
-
- if (mTriStrip.size()%2 == 1)
- {
- mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]);
- }
}
return TRUE;
@@ -4610,17 +5666,31 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
num_vertices = profile.size();
num_indices = (profile.size() - 2)*3;
- mVertices.resize(num_vertices);
+ if (!(mTypeMask & HOLLOW_MASK) && !(mTypeMask & OPEN_MASK))
+ {
+ resizeVertices(num_vertices+1);
+ allocateBinormals(num_vertices+1);
- if (!partial_build)
+ if (!partial_build)
+ {
+ resizeIndices(num_indices+3);
+ }
+ }
+ else
{
- mIndices.resize(num_indices);
+ resizeVertices(num_vertices);
+ allocateBinormals(num_vertices);
+
+ if (!partial_build)
+ {
+ resizeIndices(num_indices);
+ }
}
S32 max_s = volume->getProfile().getTotal();
S32 max_t = volume->getPath().mPath.size();
- mCenter.clearVec();
+ mCenter->clear();
S32 offset = 0;
if (mTypeMask & TOP_MASK)
@@ -4638,82 +5708,90 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
LLVector2 cuv;
LLVector2 min_uv, max_uv;
- LLVector3& min = mExtents[0];
- LLVector3& max = mExtents[1];
+ LLVector4a& min = mExtents[0];
+ LLVector4a& max = mExtents[1];
+
+ LLVector2* tc = (LLVector2*) mTexCoords;
+ LLVector4a* pos = (LLVector4a*) mPositions;
+ LLVector4a* norm = (LLVector4a*) mNormals;
+ LLVector4a* binorm = (LLVector4a*) mBinormals;
// Copy the vertices into the array
for (S32 i = 0; i < num_vertices; i++)
{
if (mTypeMask & TOP_MASK)
{
- mVertices[i].mTexCoord.mV[0] = profile[i].mV[0]+0.5f;
- mVertices[i].mTexCoord.mV[1] = profile[i].mV[1]+0.5f;
+ tc[i].mV[0] = profile[i].mV[0]+0.5f;
+ tc[i].mV[1] = profile[i].mV[1]+0.5f;
}
else
{
// Mirror for underside.
- mVertices[i].mTexCoord.mV[0] = profile[i].mV[0]+0.5f;
- mVertices[i].mTexCoord.mV[1] = 0.5f - profile[i].mV[1];
+ tc[i].mV[0] = profile[i].mV[0]+0.5f;
+ tc[i].mV[1] = 0.5f - profile[i].mV[1];
}
- mVertices[i].mPosition = mesh[i + offset].mPos;
+ pos[i].load3(mesh[i + offset].mPos.mV);
if (i == 0)
{
- min = max = mVertices[i].mPosition;
- min_uv = max_uv = mVertices[i].mTexCoord;
+ min = max = pos[i];
+ min_uv = max_uv = tc[i];
}
else
{
- update_min_max(min,max, mVertices[i].mPosition);
- update_min_max(min_uv, max_uv, mVertices[i].mTexCoord);
+ update_min_max(min,max,pos[i]);
+ update_min_max(min_uv, max_uv, tc[i]);
}
}
- mCenter = (min+max)*0.5f;
+ mCenter->setAdd(min, max);
+ mCenter->mul(0.5f);
+
cuv = (min_uv + max_uv)*0.5f;
- LLVector3 binormal = calc_binormal_from_triangle(
- mCenter, cuv,
- mVertices[0].mPosition, mVertices[0].mTexCoord,
- mVertices[1].mPosition, mVertices[1].mTexCoord);
- binormal.normVec();
+ LLVector4a binormal;
+ calc_binormal_from_triangle(binormal,
+ *mCenter, cuv,
+ pos[0], tc[0],
+ pos[1], tc[1]);
+ binormal.normalize3fast();
+
+ LLVector4a normal;
+ LLVector4a d0, d1;
+
- LLVector3 d0;
- LLVector3 d1;
- LLVector3 normal;
+ d0.setSub(*mCenter, pos[0]);
+ d1.setSub(*mCenter, pos[1]);
- d0 = mCenter-mVertices[0].mPosition;
- d1 = mCenter-mVertices[1].mPosition;
+ if (mTypeMask & TOP_MASK)
+ {
+ normal.setCross3(d0, d1);
+ }
+ else
+ {
+ normal.setCross3(d1, d0);
+ }
- normal = (mTypeMask & TOP_MASK) ? (d0%d1) : (d1%d0);
- normal.normVec();
+ normal.normalize3fast();
VertexData vd;
- vd.mPosition = mCenter;
- vd.mNormal = normal;
- vd.mBinormal = binormal;
+ vd.setPosition(*mCenter);
vd.mTexCoord = cuv;
if (!(mTypeMask & HOLLOW_MASK) && !(mTypeMask & OPEN_MASK))
{
- mVertices.push_back(vd);
+ pos[num_vertices] = *mCenter;
+ tc[num_vertices] = cuv;
num_vertices++;
- if (!partial_build)
- {
- vector_append(mIndices, 3);
- }
}
-
for (S32 i = 0; i < num_vertices; i++)
{
- mVertices[i].mBinormal = binormal;
- mVertices[i].mNormal = normal;
+ binorm[i].load4a((F32*) &binormal.mQ);
+ norm[i].load4a((F32*) &normal.mQ);
}
- mHasBinormals = TRUE;
-
if (partial_build)
{
return TRUE;
@@ -4821,8 +5899,6 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
pt2--;
}
}
-
- makeTriStrip();
}
else
{
@@ -4927,8 +6003,6 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
pt2--;
}
}
-
- makeTriStrip();
}
}
else
@@ -4950,127 +6024,283 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
mIndices[3*i+v2] = i + 1;
}
- //make tri strip
- if (mTypeMask & OPEN_MASK)
- {
- makeTriStrip();
- }
- else
- {
- S32 j = num_vertices-2;
- if (mTypeMask & TOP_MASK)
- {
- mTriStrip.push_back(0);
- for (S32 i = 0; i <= j; ++i)
- {
- mTriStrip.push_back(i);
- if (i != j)
- {
- mTriStrip.push_back(j);
- }
- --j;
- }
- }
- else
- {
- mTriStrip.push_back(j);
- for (S32 i = 0; i <= j; ++i)
- {
- if (i != j)
- {
- mTriStrip.push_back(j);
- }
- mTriStrip.push_back(i);
- --j;
- }
- }
-
- mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]);
- if (mTriStrip.size()%2 == 1)
- {
- mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]);
- }
- }
}
return TRUE;
}
-void LLVolumeFace::makeTriStrip()
-{
- for (U32 i = 0; i < mIndices.size(); i+=3)
- {
- U16 i0 = mIndices[i];
- U16 i1 = mIndices[i+1];
- U16 i2 = mIndices[i+2];
-
- if ((i/3)%2 == 1)
- {
- mTriStrip.push_back(i0);
- mTriStrip.push_back(i0);
- mTriStrip.push_back(i1);
- mTriStrip.push_back(i2);
- mTriStrip.push_back(i2);
- }
- else
- {
- mTriStrip.push_back(i2);
- mTriStrip.push_back(i2);
- mTriStrip.push_back(i1);
- mTriStrip.push_back(i0);
- mTriStrip.push_back(i0);
- }
- }
-
- if (mTriStrip.size()%2 == 1)
- {
- mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]);
- }
-}
-
void LLVolumeFace::createBinormals()
{
LLMemType m1(LLMemType::MTYPE_VOLUME);
- if (!mHasBinormals)
+ if (!mBinormals)
{
+ allocateBinormals(mNumVertices);
+
//generate binormals
- for (U32 i = 0; i < mIndices.size()/3; i++)
+ LLVector4a* pos = mPositions;
+ LLVector2* tc = (LLVector2*) mTexCoords;
+ LLVector4a* binorm = (LLVector4a*) mBinormals;
+
+ 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]];
- const VertexData& v2 = mVertices[mIndices[i*3+2]];
+ const U16& i0 = mIndices[i*3+0];
+ const U16& i1 = mIndices[i*3+1];
+ const U16& i2 = mIndices[i*3+2];
//calculate binormal
- LLVector3 binorm = calc_binormal_from_triangle(v0.mPosition, v0.mTexCoord,
- v1.mPosition, v1.mTexCoord,
- v2.mPosition, v2.mTexCoord);
+ LLVector4a binormal;
+ calc_binormal_from_triangle(binormal,
+ pos[i0], tc[i0],
+ pos[i1], tc[i1],
+ pos[i2], tc[i2]);
- for (U32 j = 0; j < 3; j++)
- { //add triangle normal to vertices
- mVertices[mIndices[i*3+j]].mBinormal += binorm; // * (weight_sum - d[j])/weight_sum;
- }
+
+ //add triangle normal to vertices
+ binorm[i0].add(binormal);
+ binorm[i1].add(binormal);
+ binorm[i2].add(binormal);
//even out quad contributions
if (i % 2 == 0)
{
- mVertices[mIndices[i*3+2]].mBinormal += binorm;
+ binorm[i2].add(binormal);
}
else
{
- mVertices[mIndices[i*3+1]].mBinormal += binorm;
+ binorm[i1].add(binormal);
}
}
//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();
+ binorm[i].normalize3fast();
+ //bump map/planar projection code requires normals to be normalized
+ mNormals[i].normalize3fast();
}
+ }
+}
- mHasBinormals = TRUE;
+void LLVolumeFace::resizeVertices(S32 num_verts)
+{
+ ll_aligned_free_16(mPositions);
+ ll_aligned_free_16(mNormals);
+ ll_aligned_free_16(mBinormals);
+ ll_aligned_free_16(mTexCoords);
+
+ mBinormals = NULL;
+
+ if (num_verts)
+ {
+ mPositions = (LLVector4a*) ll_aligned_malloc_16(num_verts*16);
+ mNormals = (LLVector4a*) ll_aligned_malloc_16(num_verts*16);
+
+ //pad texture coordinate block end to allow for QWORD reads
+ S32 size = ((num_verts*8) + 0xF) & ~0xF;
+ mTexCoords = (LLVector2*) ll_aligned_malloc_16(size);
+ }
+ else
+ {
+ mPositions = NULL;
+ mNormals = NULL;
+ mTexCoords = NULL;
+ }
+
+ mNumVertices = num_verts;
+}
+
+void LLVolumeFace::pushVertex(const LLVolumeFace::VertexData& cv)
+{
+ pushVertex(cv.getPosition(), cv.getNormal(), cv.mTexCoord);
+}
+
+void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, const LLVector2& tc)
+{
+ S32 new_verts = mNumVertices+1;
+ S32 new_size = new_verts*16;
+
+ //positions
+ LLVector4a* dst = (LLVector4a*) ll_aligned_malloc_16(new_size);
+ if (mPositions)
+ {
+ LLVector4a::memcpyNonAliased16((F32*) dst, (F32*) mPositions, new_size/4);
+ ll_aligned_free_16(mPositions);
+ }
+ mPositions = dst;
+
+ //normals
+ dst = (LLVector4a*) ll_aligned_malloc_16(new_size);
+ if (mNormals)
+ {
+ LLVector4a::memcpyNonAliased16((F32*) dst, (F32*) mNormals, new_size/4);
+ ll_aligned_free_16(mNormals);
+ }
+ mNormals = dst;
+
+ //tex coords
+ new_size = ((new_verts*8)+0xF) & ~0xF;
+
+ {
+ LLVector2* dst = (LLVector2*) ll_aligned_malloc_16(new_size);
+ if (mTexCoords)
+ {
+ LLVector4a::memcpyNonAliased16((F32*) dst, (F32*) mTexCoords, new_size/4);
+ ll_aligned_free_16(mTexCoords);
+ }
+ }
+
+ //just clear binormals
+ ll_aligned_free_16(mBinormals);
+ mBinormals = NULL;
+
+ mPositions[mNumVertices] = pos;
+ mNormals[mNumVertices] = norm;
+ mTexCoords[mNumVertices] = tc;
+
+ mNumVertices++;
+}
+
+void LLVolumeFace::allocateBinormals(S32 num_verts)
+{
+ ll_aligned_free_16(mBinormals);
+ mBinormals = (LLVector4a*) ll_aligned_malloc_16(num_verts*16);
+}
+
+void LLVolumeFace::allocateWeights(S32 num_verts)
+{
+ ll_aligned_free_16(mWeights);
+ mWeights = (LLVector4a*) ll_aligned_malloc_16(num_verts*16);
+}
+
+void LLVolumeFace::resizeIndices(S32 num_indices)
+{
+ ll_aligned_free_16(mIndices);
+
+ if (num_indices)
+ {
+ //pad index block end to allow for QWORD reads
+ S32 size = ((num_indices*2) + 0xF) & ~0xF;
+
+ mIndices = (U16*) ll_aligned_malloc_16(size);
+ }
+ else
+ {
+ mIndices = NULL;
+ }
+
+ mNumIndices = num_indices;
+}
+
+void LLVolumeFace::pushIndex(const U16& idx)
+{
+ S32 new_count = mNumIndices + 1;
+ S32 new_size = ((new_count*2)+0xF) & ~0xF;
+
+ S32 old_size = (mNumIndices+0xF) & ~0xF;
+ if (new_size != old_size)
+ {
+ U16* dst = (U16*) ll_aligned_malloc_16(new_size);
+ LLVector4a::memcpyNonAliased16((F32*) dst, (F32*) mIndices, new_size/4);
+ ll_aligned_free_16(mIndices);
+ mIndices = dst;
+ }
+
+ mIndices[mNumIndices++] = idx;
+}
+
+void LLVolumeFace::fillFromLegacyData(std::vector<LLVolumeFace::VertexData>& v, std::vector<U16>& idx)
+{
+ resizeVertices(v.size());
+ resizeIndices(idx.size());
+
+ for (U32 i = 0; i < v.size(); ++i)
+ {
+ mPositions[i] = v[i].getPosition();
+ mNormals[i] = v[i].getNormal();
+ mTexCoords[i] = v[i].mTexCoord;
+ }
+
+ for (U32 i = 0; i < idx.size(); ++i)
+ {
+ mIndices[i] = idx[i];
+ }
+}
+
+void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMatrix4& norm_mat_in)
+{
+ U16 offset = mNumVertices;
+
+ S32 new_count = face.mNumVertices + mNumVertices;
+
+ if (new_count > 65536)
+ {
+ llerrs << "Cannot append face -- 16-bit overflow will occur." << llendl;
+ }
+
+
+ LLVector4a* new_pos = (LLVector4a*) ll_aligned_malloc_16(new_count*16);
+ LLVector4a* new_norm = (LLVector4a*) ll_aligned_malloc_16(new_count*16);
+ LLVector2* new_tc = (LLVector2*) ll_aligned_malloc_16((new_count*8+0xF) & ~0xF);
+
+ LLVector4a::memcpyNonAliased16((F32*) new_pos, (F32*) mPositions, new_count*4);
+ LLVector4a::memcpyNonAliased16((F32*) new_norm, (F32*) mNormals, new_count*4);
+ LLVector4a::memcpyNonAliased16((F32*) new_tc, (F32*) mTexCoords, new_count*2);
+
+ ll_aligned_free_16(mPositions);
+ ll_aligned_free_16(mNormals);
+ ll_aligned_free_16(mTexCoords);
+
+ mPositions = new_pos;
+ mNormals = new_norm;
+ mTexCoords = new_tc;
+
+ mNumVertices = new_count;
+
+ LLVector4a* dst_pos = (LLVector4a*) mPositions+offset;
+ LLVector2* dst_tc = (LLVector2*) mTexCoords+offset;
+ LLVector4a* dst_norm = (LLVector4a*) mNormals+offset;
+
+ LLVector4a* src_pos = (LLVector4a*) face.mPositions;
+ LLVector2* src_tc = (LLVector2*) face.mTexCoords;
+ LLVector4a* src_norm = (LLVector4a*) face.mNormals;
+
+ LLMatrix4a mat, norm_mat;
+ mat.loadu(mat_in);
+ norm_mat.loadu(norm_mat_in);
+
+ for (U32 i = 0; i < face.mNumVertices; ++i)
+ {
+ mat.affineTransform(src_pos[i], dst_pos[i]);
+ norm_mat.rotate(src_norm[i], dst_norm[i]);
+ dst_norm[i].normalize3fast();
+
+ dst_tc[i] = src_tc[i];
+
+ if (offset == 0 && i == 0)
+ {
+ mExtents[0] = mExtents[1] = dst_pos[i];
+ }
+ else
+ {
+ update_min_max(mExtents[0], mExtents[1], dst_pos[i]);
+ }
+ }
+
+
+ new_count = mNumIndices + face.mNumIndices;
+ U16* new_indices = (U16*) ll_aligned_malloc_16((new_count*2+0xF) & ~0xF);
+ LLVector4a::memcpyNonAliased16((F32*) new_indices, (F32*) mIndices, new_count/2);
+ ll_aligned_free_16(mIndices);
+ mIndices = new_indices;
+ mNumIndices = new_count;
+
+ U16* dst_idx = mIndices+offset;
+
+ for (U32 i = 0; i < face.mNumIndices; ++i)
+ {
+ dst_idx[i] = face.mIndices[i]+offset;
}
}
@@ -5100,23 +6330,20 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
num_vertices = mNumS*mNumT;
num_indices = (mNumS-1)*(mNumT-1)*6;
- mVertices.resize(num_vertices);
-
if (!partial_build)
{
- mIndices.resize(num_indices);
- mEdge.resize(num_indices);
- }
- else
- {
- mHasBinormals = FALSE;
- }
+ resizeVertices(num_vertices);
+ resizeIndices(num_indices);
+ if ((volume->getParams().getSculptType() & LL_SCULPT_TYPE_MASK) != LL_SCULPT_TYPE_MESH)
+ {
+ mEdge.resize(num_indices);
+ }
+ }
- LLVector3& face_min = mExtents[0];
- LLVector3& face_max = mExtents[1];
-
- mCenter.clearVec();
+ LLVector4a* pos = (LLVector4a*) mPositions;
+ LLVector4a* norm = (LLVector4a*) mNormals;
+ LLVector2* tc = (LLVector2*) mTexCoords;
S32 begin_stex = llfloor( profile[mBeginS].mV[2] );
S32 num_s = ((mTypeMask & INNER_MASK) && (mTypeMask & FLAT_MASK) && mNumS > 2) ? mNumS/2 : mNumS;
@@ -5168,30 +6395,21 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
i = mBeginS + s + max_s*t;
}
- mVertices[cur_vertex].mPosition = mesh[i].mPos;
- mVertices[cur_vertex].mTexCoord = LLVector2(ss,tt);
+ pos[cur_vertex].load3(mesh[i].mPos.mV);
+ tc[cur_vertex] = LLVector2(ss,tt);
- mVertices[cur_vertex].mNormal = LLVector3(0,0,0);
- mVertices[cur_vertex].mBinormal = LLVector3(0,0,0);
-
- if (cur_vertex == 0)
- {
- face_min = face_max = mesh[i].mPos;
- }
- else
- {
- update_min_max(face_min, face_max, mesh[i].mPos);
- }
+ norm[cur_vertex].clear();
cur_vertex++;
if ((mTypeMask & INNER_MASK) && (mTypeMask & FLAT_MASK) && mNumS > 2 && s > 0)
{
- mVertices[cur_vertex].mPosition = mesh[i].mPos;
- mVertices[cur_vertex].mTexCoord = LLVector2(ss,tt);
+
+ pos[cur_vertex].load3(mesh[i].mPos.mV);
+ tc[cur_vertex] = LLVector2(ss,tt);
- mVertices[cur_vertex].mNormal = LLVector3(0,0,0);
- mVertices[cur_vertex].mBinormal = LLVector3(0,0,0);
+ norm[cur_vertex].clear();
+
cur_vertex++;
}
}
@@ -5209,19 +6427,29 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
i = mBeginS + s + max_s*t;
ss = profile[mBeginS + s].mV[2] - begin_stex;
- mVertices[cur_vertex].mPosition = mesh[i].mPos;
- mVertices[cur_vertex].mTexCoord = LLVector2(ss,tt);
-
- mVertices[cur_vertex].mNormal = LLVector3(0,0,0);
- mVertices[cur_vertex].mBinormal = LLVector3(0,0,0);
-
- update_min_max(face_min,face_max,mesh[i].mPos);
-
+ pos[cur_vertex].load3(mesh[i].mPos.mV);
+ tc[cur_vertex] = LLVector2(ss,tt);
+ norm[cur_vertex].clear();
+
cur_vertex++;
}
}
- mCenter = (face_min + face_max) * 0.5f;
+
+ //get bounding box for this side
+ LLVector4a& face_min = mExtents[0];
+ LLVector4a& face_max = mExtents[1];
+ mCenter->clear();
+
+ face_min = face_max = pos[0];
+
+ for (U32 i = 1; i < mNumVertices; ++i)
+ {
+ update_min_max(face_min, face_max, pos[i]);
+ }
+
+ mCenter->setAdd(face_min, face_max);
+ mCenter->mul(0.5f);
S32 cur_index = 0;
S32 cur_edge = 0;
@@ -5229,14 +6457,9 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
if (!partial_build)
{
- mTriStrip.clear();
-
// Now we generate the indices.
for (t = 0; t < (mNumT-1); t++)
{
- //prepend terminating index to strip
- mTriStrip.push_back(mNumS*t);
-
for (s = 0; s < (mNumS-1); s++)
{
mIndices[cur_index++] = s + mNumS*t; //bottom left
@@ -5246,14 +6469,6 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
mIndices[cur_index++] = s+1 + mNumS*t; //bottom right
mIndices[cur_index++] = s+1 + mNumS*(t+1); //top right
- if (s == 0)
- {
- mTriStrip.push_back(s+mNumS*t);
- mTriStrip.push_back(s+mNumS*(t+1));
- }
- mTriStrip.push_back(s+1+mNumS*t);
- mTriStrip.push_back(s+1+mNumS*(t+1));
-
mEdge[cur_edge++] = (mNumS-1)*2*t+s*2+1; //bottom left/top right neighbor face
if (t < mNumT-2) { //top right/top left neighbor face
mEdge[cur_edge++] = (mNumS-1)*2*(t+1)+s*2+1;
@@ -5294,59 +6509,55 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
}
mEdge[cur_edge++] = (mNumS-1)*2*t+s*2; //top right/bottom left neighbor face
}
- //append terminating vertex to strip
- mTriStrip.push_back(mNumS-1+mNumS*(t+1));
- }
-
- if (mTriStrip.size()%2 == 1)
- {
- mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]);
}
}
//generate normals
- for (U32 i = 0; i < mIndices.size()/3; i++) //for each triangle
- {
- const S32 i0 = mIndices[i*3+0];
- const S32 i1 = mIndices[i*3+1];
- const S32 i2 = mIndices[i*3+2];
- const VertexData& v0 = mVertices[i0];
- const VertexData& v1 = mVertices[i1];
- const VertexData& v2 = mVertices[i2];
-
- //calculate triangle normal
- LLVector3 norm = (v0.mPosition-v1.mPosition) % (v0.mPosition-v2.mPosition);
+ for (U32 i = 0; i < mNumIndices/3; i++) //for each triangle
+ {
+ const U16* idx = &(mIndices[i*3]);
+
- for (U32 j = 0; j < 3; j++)
- { //add triangle normal to vertices
- const S32 idx = mIndices[i*3+j];
- mVertices[idx].mNormal += norm; // * (weight_sum - d[j])/weight_sum;
- }
+ LLVector4a* v[] =
+ { pos+idx[0], pos+idx[1], pos+idx[2] };
+
+ LLVector4a* n[] =
+ { norm+idx[0], norm+idx[1], norm+idx[2] };
+
+ //calculate triangle normal
+ LLVector4a a, b, c;
+
+ a.setSub(*v[0], *v[1]);
+ b.setSub(*v[0], *v[2]);
+ c.setCross3(a,b);
+ n[0]->add(c);
+ n[1]->add(c);
+ n[2]->add(c);
+
//even out quad contributions
- if ((i & 1) == 0)
- {
- mVertices[i2].mNormal += norm;
- }
- else
- {
- mVertices[i1].mNormal += norm;
- }
+ n[i%2+1]->add(c);
}
// adjust normals based on wrapping and stitching
- BOOL s_bottom_converges = ((mVertices[0].mPosition - mVertices[mNumS*(mNumT-2)].mPosition).magVecSquared() < 0.000001f);
- BOOL s_top_converges = ((mVertices[mNumS-1].mPosition - mVertices[mNumS*(mNumT-2)+mNumS-1].mPosition).magVecSquared() < 0.000001f);
+ LLVector4a top;
+ top.setSub(pos[0], pos[mNumS*(mNumT-2)]);
+ BOOL s_bottom_converges = (top.dot3(top) < 0.000001f);
+
+ top.setSub(pos[mNumS-1], pos[mNumS*(mNumT-2)+mNumS-1]);
+ BOOL s_top_converges = (top.dot3(top) < 0.000001f);
+
if (sculpt_stitching == LL_SCULPT_TYPE_NONE) // logic for non-sculpt volumes
{
if (volume->getPath().isOpen() == FALSE)
{ //wrap normals on T
for (S32 i = 0; i < mNumS; i++)
{
- LLVector3 norm = mVertices[i].mNormal + mVertices[mNumS*(mNumT-1)+i].mNormal;
- mVertices[i].mNormal = norm;
- mVertices[mNumS*(mNumT-1)+i].mNormal = norm;
+ LLVector4a n;
+ n.setAdd(norm[i], norm[mNumS*(mNumT-1)+i]);
+ norm[i] = n;
+ norm[mNumS*(mNumT-1)+i] = n;
}
}
@@ -5354,9 +6565,10 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
{ //wrap normals on S
for (S32 i = 0; i < mNumT; i++)
{
- LLVector3 norm = mVertices[mNumS*i].mNormal + mVertices[mNumS*i+mNumS-1].mNormal;
- mVertices[mNumS * i].mNormal = norm;
- mVertices[mNumS * i+mNumS-1].mNormal = norm;
+ LLVector4a n;
+ n.setAdd(norm[mNumS*i], norm[mNumS*i+mNumS-1]);
+ norm[mNumS * i] = n;
+ norm[mNumS * i+mNumS-1] = n;
}
}
@@ -5367,7 +6579,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
{ //all lower S have same normal
for (S32 i = 0; i < mNumT; i++)
{
- mVertices[mNumS*i].mNormal = LLVector3(1,0,0);
+ norm[mNumS*i].set(1,0,0);
}
}
@@ -5375,7 +6587,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
{ //all upper S have same normal
for (S32 i = 0; i < mNumT; i++)
{
- mVertices[mNumS*i+mNumS-1].mNormal = LLVector3(-1,0,0);
+ norm[mNumS*i+mNumS-1].set(-1,0,0);
}
}
}
@@ -5403,30 +6615,33 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
{
// average normals for north pole
- LLVector3 average(0.0, 0.0, 0.0);
+ LLVector4a average;
+ average.clear();
+
for (S32 i = 0; i < mNumS; i++)
{
- average += mVertices[i].mNormal;
+ average.add(norm[i]);
}
// set average
for (S32 i = 0; i < mNumS; i++)
{
- mVertices[i].mNormal = average;
+ norm[i] = average;
}
// average normals for south pole
- average = LLVector3(0.0, 0.0, 0.0);
+ average.clear();
+
for (S32 i = 0; i < mNumS; i++)
{
- average += mVertices[i + mNumS * (mNumT - 1)].mNormal;
+ average.add(norm[i + mNumS * (mNumT - 1)]);
}
// set average
for (S32 i = 0; i < mNumS; i++)
{
- mVertices[i + mNumS * (mNumT - 1)].mNormal = average;
+ norm[i + mNumS * (mNumT - 1)] = average;
}
}
@@ -5436,23 +6651,22 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
{
for (S32 i = 0; i < mNumT; i++)
{
- LLVector3 norm = mVertices[mNumS*i].mNormal + mVertices[mNumS*i+mNumS-1].mNormal;
- mVertices[mNumS * i].mNormal = norm;
- mVertices[mNumS * i+mNumS-1].mNormal = norm;
+ LLVector4a n;
+ n.setAdd(norm[mNumS*i], norm[mNumS*i+mNumS-1]);
+ norm[mNumS * i] = n;
+ norm[mNumS * i+mNumS-1] = n;
}
}
-
-
if (wrap_t)
{
for (S32 i = 0; i < mNumS; i++)
{
- LLVector3 norm = mVertices[i].mNormal + mVertices[mNumS*(mNumT-1)+i].mNormal;
- mVertices[i].mNormal = norm;
- mVertices[mNumS*(mNumT-1)+i].mNormal = norm;
+ LLVector4a n;
+ n.setAdd(norm[i], norm[mNumS*(mNumT-1)+i]);
+ norm[i] = n;
+ norm[mNumS*(mNumT-1)+i] = n;
}
-
}
}
@@ -5462,41 +6676,51 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
// Finds binormal based on three vertices with texture coordinates.
// Fills in dummy values if the triangle has degenerate texture coordinates.
-LLVector3 calc_binormal_from_triangle(
- const LLVector3& pos0,
+void calc_binormal_from_triangle(LLVector4a& binormal,
+
+ const LLVector4a& pos0,
const LLVector2& tex0,
- const LLVector3& pos1,
+ const LLVector4a& pos1,
const LLVector2& tex1,
- const LLVector3& pos2,
+ const LLVector4a& pos2,
const LLVector2& tex2)
{
- LLVector3 rx0( pos0.mV[VX], tex0.mV[VX], tex0.mV[VY] );
- LLVector3 rx1( pos1.mV[VX], tex1.mV[VX], tex1.mV[VY] );
- LLVector3 rx2( pos2.mV[VX], tex2.mV[VX], tex2.mV[VY] );
+ LLVector4a rx0( pos0[VX], tex0.mV[VX], tex0.mV[VY] );
+ LLVector4a rx1( pos1[VX], tex1.mV[VX], tex1.mV[VY] );
+ LLVector4a rx2( pos2[VX], tex2.mV[VX], tex2.mV[VY] );
- LLVector3 ry0( pos0.mV[VY], tex0.mV[VX], tex0.mV[VY] );
- LLVector3 ry1( pos1.mV[VY], tex1.mV[VX], tex1.mV[VY] );
- LLVector3 ry2( pos2.mV[VY], tex2.mV[VX], tex2.mV[VY] );
+ LLVector4a ry0( pos0[VY], tex0.mV[VX], tex0.mV[VY] );
+ LLVector4a ry1( pos1[VY], tex1.mV[VX], tex1.mV[VY] );
+ LLVector4a ry2( pos2[VY], tex2.mV[VX], tex2.mV[VY] );
- LLVector3 rz0( pos0.mV[VZ], tex0.mV[VX], tex0.mV[VY] );
- LLVector3 rz1( pos1.mV[VZ], tex1.mV[VX], tex1.mV[VY] );
- LLVector3 rz2( pos2.mV[VZ], tex2.mV[VX], tex2.mV[VY] );
+ LLVector4a rz0( pos0[VZ], tex0.mV[VX], tex0.mV[VY] );
+ LLVector4a rz1( pos1[VZ], tex1.mV[VX], tex1.mV[VY] );
+ LLVector4a rz2( pos2[VZ], tex2.mV[VX], tex2.mV[VY] );
- LLVector3 r0 = (rx0 - rx1) % (rx0 - rx2);
- LLVector3 r1 = (ry0 - ry1) % (ry0 - ry2);
- LLVector3 r2 = (rz0 - rz1) % (rz0 - rz2);
+ LLVector4a lhs, rhs;
+
+ LLVector4a r0;
+ lhs.setSub(rx0, rx1); rhs.setSub(rx0, rx2);
+ r0.setCross3(lhs, rhs);
+
+ LLVector4a r1;
+ lhs.setSub(ry0, ry1); rhs.setSub(ry0, ry2);
+ r1.setCross3(lhs, rhs);
+
+ LLVector4a r2;
+ lhs.setSub(rz0, rz1); rhs.setSub(rz0, rz2);
+ r2.setCross3(lhs, rhs);
- if( r0.mV[VX] && r1.mV[VX] && r2.mV[VX] )
+ if( r0[VX] && r1[VX] && r2[VX] )
{
- LLVector3 binormal(
- -r0.mV[VZ] / r0.mV[VX],
- -r1.mV[VZ] / r1.mV[VX],
- -r2.mV[VZ] / r2.mV[VX]);
+ binormal.set(
+ -r0[VZ] / r0[VX],
+ -r1[VZ] / r1[VX],
+ -r2[VZ] / r2[VX]);
// binormal.normVec();
- return binormal;
}
else
{
- return LLVector3( 0, 1 , 0 );
+ binormal.set( 0, 1 , 0 );
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 13:36:49 +0000