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authorDave Parks <davep@lindenlab.com>2010-05-21 23:55:18 -0500
committerDave Parks <davep@lindenlab.com>2010-05-21 23:55:18 -0500
commit8919f4811a7dcaf47dc58159e0ba4ba042183325 (patch)
treecaa346a3083d891dc1eedeb66876700f67c3a8df /indra/llmath/llvolume.cpp
parent1ad56f84ef1102803986889cdd5b2a687adb557e (diff)
blah
Diffstat (limited to 'indra/llmath/llvolume.cpp')
-rw-r--r--indra/llmath/llvolume.cpp262
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]);