From 44e6327674bbe45d92e3411c24ff51b5c4318bbb Mon Sep 17 00:00:00 2001
From: Wolfpup Lowenhar <wolfpup67@earthlink.net>
Date: Tue, 28 Dec 2010 19:14:33 -0500
Subject: STORM-825 : Reenable the LLMatrix3::orthogonalize test in
llmath/tests/m3math_test.cpp Removed the skipping of a working test as
this was causeing a the test to fail building and thus not actualy
running all the tests.
---
indra/llmath/tests/m3math_test.cpp | 1 -
1 file changed, 1 deletion(-)
(limited to 'indra/llmath')
diff --git a/indra/llmath/tests/m3math_test.cpp b/indra/llmath/tests/m3math_test.cpp
index 8abf61b740..e4d31996a3 100644
--- a/indra/llmath/tests/m3math_test.cpp
+++ b/indra/llmath/tests/m3math_test.cpp
@@ -280,7 +280,6 @@ namespace tut
llmat_obj.setRows(llvec1, llvec2, llvec3);
llmat_obj.orthogonalize();
- skip("Grr, LLMatrix3::orthogonalize test is failing. Has it ever worked?");
ensure("LLMatrix3::orthogonalize failed ",
is_approx_equal(0.19611613f, llmat_obj.mMatrix[0][0]) &&
is_approx_equal(0.78446454f, llmat_obj.mMatrix[0][1]) &&
--
cgit v1.2.3
From ce5dc4d42b52fad2bb6d7bdf98b7656418061278 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 7 Jan 2011 13:47:50 -0600
Subject: SH-762 Forsyth style vertex buffer optimization for meshes.
---
indra/llmath/llvolume.cpp | 727 +++++++++++++++++++++++++++++++++++++---------
indra/llmath/llvolume.h | 71 ++---
2 files changed, 625 insertions(+), 173 deletions(-)
(limited to 'indra/llmath')
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 8a7b19800c..f41cd1b4e8 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -2003,145 +2003,145 @@ BOOL LLVolume::generate()
return FALSE;
}
-void LLVolumeFace::VertexData::init()
-{
- if (!mData)
- {
- mData = (LLVector4a*) malloc(sizeof(LLVector4a)*2);
- }
-}
-
-LLVolumeFace::VertexData::VertexData()
-{
- mData = NULL;
- init();
-}
-
-LLVolumeFace::VertexData::VertexData(const VertexData& rhs)
-{
- mData = NULL;
- *this = rhs;
-}
-
-const LLVolumeFace::VertexData& LLVolumeFace::VertexData::operator=(const LLVolumeFace::VertexData& rhs)
-{
- if (this != &rhs)
- {
- init();
- LLVector4a::memcpyNonAliased16((F32*) mData, (F32*) rhs.mData, 2*sizeof(LLVector4a));
- mTexCoord = rhs.mTexCoord;
- }
- return *this;
-}
-
-LLVolumeFace::VertexData::~VertexData()
-{
- free(mData);
- mData = NULL;
-}
-
-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 F32* lp = this->getPosition().getF32ptr();
- const F32* rp = rhs.getPosition().getF32ptr();
-
- if (lp[0] != rp[0])
- {
- return lp[0] < rp[0];
- }
-
- if (rp[1] != lp[1])
- {
- return lp[1] < rp[1];
- }
-
- if (rp[2] != lp[2])
- {
- return lp[2] < rp[2];
- }
-
- lp = getNormal().getF32ptr();
- rp = rhs.getNormal().getF32ptr();
-
- if (lp[0] != rp[0])
- {
- return lp[0] < rp[0];
- }
-
- if (rp[1] != lp[1])
- {
- return lp[1] < rp[1];
- }
-
- if (rp[2] != lp[2])
- {
- return lp[2] < rp[2];
- }
-
- if (mTexCoord.mV[0] != rhs.mTexCoord.mV[0])
- {
- return mTexCoord.mV[0] < rhs.mTexCoord.mV[0];
- }
-
- return mTexCoord.mV[1] < rhs.mTexCoord.mV[1];
-}
-
-bool LLVolumeFace::VertexData::operator==(const LLVolumeFace::VertexData& rhs)const
-{
- return mData[POSITION].equals3(rhs.getPosition()) &&
- mData[NORMAL].equals3(rhs.getNormal()) &&
- mTexCoord == rhs.mTexCoord;
-}
-
-bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs, F32 angle_cutoff) const
-{
- bool retval = false;
- if (rhs.mData[POSITION].equals3(mData[POSITION]) && rhs.mTexCoord == mTexCoord)
- {
- if (angle_cutoff > 1.f)
- {
- retval = (mData[NORMAL].equals3(rhs.mData[NORMAL]));
- }
- else
- {
- F32 cur_angle = rhs.mData[NORMAL].dot3(mData[NORMAL]).getF32();
- retval = cur_angle > angle_cutoff;
- }
- }
-
- return retval;
-}
+void LLVolumeFace::VertexData::init()
+{
+ if (!mData)
+ {
+ mData = (LLVector4a*) malloc(sizeof(LLVector4a)*2);
+ }
+}
+
+LLVolumeFace::VertexData::VertexData()
+{
+ mData = NULL;
+ init();
+}
+
+LLVolumeFace::VertexData::VertexData(const VertexData& rhs)
+{
+ mData = NULL;
+ *this = rhs;
+}
+
+const LLVolumeFace::VertexData& LLVolumeFace::VertexData::operator=(const LLVolumeFace::VertexData& rhs)
+{
+ if (this != &rhs)
+ {
+ init();
+ LLVector4a::memcpyNonAliased16((F32*) mData, (F32*) rhs.mData, 2*sizeof(LLVector4a));
+ mTexCoord = rhs.mTexCoord;
+ }
+ return *this;
+}
+
+LLVolumeFace::VertexData::~VertexData()
+{
+ free(mData);
+ mData = NULL;
+}
+
+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 F32* lp = this->getPosition().getF32ptr();
+ const F32* rp = rhs.getPosition().getF32ptr();
+
+ if (lp[0] != rp[0])
+ {
+ return lp[0] < rp[0];
+ }
+
+ if (rp[1] != lp[1])
+ {
+ return lp[1] < rp[1];
+ }
+
+ if (rp[2] != lp[2])
+ {
+ return lp[2] < rp[2];
+ }
+
+ lp = getNormal().getF32ptr();
+ rp = rhs.getNormal().getF32ptr();
+
+ if (lp[0] != rp[0])
+ {
+ return lp[0] < rp[0];
+ }
+
+ if (rp[1] != lp[1])
+ {
+ return lp[1] < rp[1];
+ }
+
+ if (rp[2] != lp[2])
+ {
+ return lp[2] < rp[2];
+ }
+
+ if (mTexCoord.mV[0] != rhs.mTexCoord.mV[0])
+ {
+ return mTexCoord.mV[0] < rhs.mTexCoord.mV[0];
+ }
+
+ return mTexCoord.mV[1] < rhs.mTexCoord.mV[1];
+}
+
+bool LLVolumeFace::VertexData::operator==(const LLVolumeFace::VertexData& rhs)const
+{
+ return mData[POSITION].equals3(rhs.getPosition()) &&
+ mData[NORMAL].equals3(rhs.getNormal()) &&
+ mTexCoord == rhs.mTexCoord;
+}
+
+bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs, F32 angle_cutoff) const
+{
+ bool retval = false;
+ if (rhs.mData[POSITION].equals3(mData[POSITION]) && rhs.mTexCoord == mTexCoord)
+ {
+ if (angle_cutoff > 1.f)
+ {
+ retval = (mData[NORMAL].equals3(rhs.mData[NORMAL]));
+ }
+ else
+ {
+ F32 cur_angle = rhs.mData[NORMAL].dot3(mData[NORMAL]).getF32();
+ retval = cur_angle > angle_cutoff;
+ }
+ }
+
+ return retval;
+}
BOOL LLVolume::createVolumeFacesFromFile(const std::string& file_name)
{
@@ -2429,6 +2429,9 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)
}
mSculptLevel = 0; // success!
+
+ cacheOptimize();
+
return true;
}
@@ -2590,6 +2593,15 @@ void LLVolume::copyVolumeFaces(const LLVolume* volume)
mIsTetrahedron = FALSE;
}
+void LLVolume::cacheOptimize()
+{
+ for (S32 i = 0; i < mVolumeFaces.size(); ++i)
+ {
+ mVolumeFaces[i].cacheOptimize();
+ }
+}
+
+
S32 LLVolume::getNumFaces() const
{
U8 sculpt_type = (mParams.getSculptType() & LL_SCULPT_TYPE_MASK);
@@ -5481,6 +5493,443 @@ void LLVolumeFace::optimize(F32 angle_cutoff)
swapData(new_face);
}
+class LLVCacheTriangleData;
+
+class LLVCacheVertexData
+{
+public:
+ S32 mIdx;
+ S32 mCacheTag;
+ F32 mScore;
+ U32 mActiveTriangles;
+ std::vector<LLVCacheTriangleData*> mTriangles;
+
+ LLVCacheVertexData()
+ {
+ mCacheTag = -1;
+ mScore = 0.f;
+ mActiveTriangles = 0;
+ mIdx = -1;
+ }
+};
+
+class LLVCacheTriangleData
+{
+public:
+ bool mActive;
+ F32 mScore;
+ LLVCacheVertexData* mVertex[3];
+
+ LLVCacheTriangleData()
+ {
+ mActive = true;
+ mScore = 0.f;
+ mVertex[0] = mVertex[1] = mVertex[2] = NULL;
+ }
+
+ void complete()
+ {
+ mActive = false;
+ for (S32 i = 0; i < 3; ++i)
+ {
+ if (mVertex[i])
+ {
+ llassert_always(mVertex[i]->mActiveTriangles > 0);
+ mVertex[i]->mActiveTriangles--;
+ }
+ }
+ }
+
+ bool operator<(const LLVCacheTriangleData& rhs) const
+ { //highest score first
+ return rhs.mScore < mScore;
+ }
+};
+
+const F32 FindVertexScore_CacheDecayPower = 1.5f;
+const F32 FindVertexScore_LastTriScore = 0.75f;
+const F32 FindVertexScore_ValenceBoostScale = 2.0f;
+const F32 FindVertexScore_ValenceBoostPower = 0.5f;
+const U32 MaxSizeVertexCache = 32;
+
+F32 find_vertex_score(LLVCacheVertexData& data)
+{
+ if (data.mActiveTriangles == 0)
+ { //no triangle references this vertex
+ return -1.f;
+ }
+
+ F32 score = 0.f;
+
+ S32 cache_idx = data.mCacheTag;
+
+ if (cache_idx < 0)
+ {
+ //not in cache
+ }
+ else
+ {
+ if (cache_idx < 3)
+ { //vertex was in the last triangle
+ score = FindVertexScore_LastTriScore;
+ }
+ else
+ { //more points for being higher in the cache
+ F32 scaler = 1.f/(MaxSizeVertexCache-3);
+ score = 1.f-((cache_idx-3)*scaler);
+ score = powf(score, FindVertexScore_CacheDecayPower);
+ }
+ }
+
+ //bonus points for having low valence
+ F32 valence_boost = powf(data.mActiveTriangles, -FindVertexScore_ValenceBoostPower);
+ score += FindVertexScore_ValenceBoostScale * valence_boost;
+
+ return score;
+}
+
+class LLVCacheFIFO
+{
+public:
+ LLVCacheVertexData* mCache[MaxSizeVertexCache];
+ U32 mMisses;
+
+ LLVCacheFIFO()
+ {
+ mMisses = 0;
+ for (U32 i = 0; i < MaxSizeVertexCache; ++i)
+ {
+ mCache[i] = NULL;
+ }
+ }
+
+ void addVertex(LLVCacheVertexData* data)
+ {
+ if (data->mCacheTag == -1)
+ {
+ mMisses++;
+
+ S32 end = MaxSizeVertexCache-1;
+
+ if (mCache[end])
+ {
+ mCache[end]->mCacheTag = -1;
+ }
+
+ for (S32 i = end; i > 0; --i)
+ {
+ mCache[i] = mCache[i-1];
+ if (mCache[i])
+ {
+ mCache[i]->mCacheTag = i;
+ }
+ }
+
+ mCache[0] = data;
+ data->mCacheTag = 0;
+ }
+ }
+};
+
+class LLVCacheLRU
+{
+public:
+ LLVCacheVertexData* mCache[MaxSizeVertexCache+3];
+
+ LLVCacheTriangleData* mBestTriangle;
+
+ U32 mMisses;
+
+ LLVCacheLRU()
+ {
+ for (U32 i = 0; i < MaxSizeVertexCache+3; ++i)
+ {
+ mCache[i] = NULL;
+ }
+
+ mBestTriangle = NULL;
+ mMisses = 0;
+ }
+
+ void addVertex(LLVCacheVertexData* data)
+ {
+ S32 end = MaxSizeVertexCache+2;
+ if (data->mCacheTag != -1)
+ { //just moving a vertex to the front of the cache
+ end = data->mCacheTag;
+ }
+ else
+ {
+ mMisses++;
+ if (mCache[end])
+ { //adding a new vertex, vertex at end of cache falls off
+ mCache[end]->mCacheTag = -1;
+ }
+ }
+
+ for (S32 i = end; i > 0; --i)
+ { //adjust cache pointers and tags
+ mCache[i] = mCache[i-1];
+
+ if (mCache[i])
+ {
+ mCache[i]->mCacheTag = i;
+ }
+ }
+
+ mCache[0] = data;
+ mCache[0]->mCacheTag = 0;
+ }
+
+ void addTriangle(LLVCacheTriangleData* data)
+ {
+ addVertex(data->mVertex[0]);
+ addVertex(data->mVertex[1]);
+ addVertex(data->mVertex[2]);
+ }
+
+ void updateScores()
+ {
+ for (U32 i = MaxSizeVertexCache; i < MaxSizeVertexCache+3; ++i)
+ { //trailing 3 vertices aren't actually in the cache for scoring purposes
+ if (mCache[i])
+ {
+ mCache[i]->mCacheTag = -1;
+ }
+ }
+
+ for (U32 i = 0; i < MaxSizeVertexCache; ++i)
+ { //update scores of vertices in cache
+ if (mCache[i])
+ {
+ mCache[i]->mScore = find_vertex_score(*(mCache[i]));
+ llassert_always(mCache[i]->mCacheTag == i);
+ }
+ }
+
+ mBestTriangle = NULL;
+ //update triangle scores
+ for (U32 i = 0; i < MaxSizeVertexCache+3; ++i)
+ {
+ if (mCache[i])
+ {
+ for (U32 j = 0; j < mCache[i]->mTriangles.size(); ++j)
+ {
+ LLVCacheTriangleData* tri = mCache[i]->mTriangles[j];
+ if (tri->mActive)
+ {
+ tri->mScore = tri->mVertex[0]->mScore;
+ tri->mScore += tri->mVertex[1]->mScore;
+ tri->mScore += tri->mVertex[2]->mScore;
+
+ if (!mBestTriangle || mBestTriangle->mScore < tri->mScore)
+ {
+ mBestTriangle = tri;
+ }
+ }
+ }
+ }
+ }
+
+ //knock trailing 3 vertices off the cache
+ for (U32 i = MaxSizeVertexCache; i < MaxSizeVertexCache+3; ++i)
+ {
+ if (mCache[i])
+ {
+ llassert_always(mCache[i]->mCacheTag == -1);
+ mCache[i] = NULL;
+ }
+ }
+ }
+};
+
+
+void LLVolumeFace::cacheOptimize()
+{ //optimize for vertex cache according to Forsyth method:
+ // http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
+
+ LLVCacheLRU cache;
+
+ //mapping of vertices to triangles and indices
+ std::vector<LLVCacheVertexData> vertex_data;
+
+ //mapping of triangles do vertices
+ std::vector<LLVCacheTriangleData> triangle_data;
+
+ triangle_data.resize(mNumIndices/3);
+ vertex_data.resize(mNumVertices);
+
+ for (U32 i = 0; i < mNumIndices; i++)
+ { //populate vertex data and triangle data arrays
+ U16 idx = mIndices[i];
+ U16 tri_idx = i/3;
+
+ vertex_data[idx].mTriangles.push_back(&(triangle_data[tri_idx]));
+ vertex_data[idx].mIdx = idx;
+ triangle_data[tri_idx].mVertex[i%3] = &(vertex_data[idx]);
+ }
+
+ /*F32 pre_acmr = 1.f;
+ //measure cache misses from before rebuild
+ {
+ LLVCacheFIFO test_cache;
+ for (U32 i = 0; i < mNumIndices; ++i)
+ {
+ test_cache.addVertex(&vertex_data[mIndices[i]]);
+ }
+
+ for (U32 i = 0; i < mNumVertices; i++)
+ {
+ vertex_data[i].mCacheTag = -1;
+ }
+
+ pre_acmr = (F32) test_cache.mMisses/(mNumIndices/3);
+ }*/
+
+ for (U32 i = 0; i < mNumVertices; i++)
+ { //initialize score values (no cache -- might try a fifo cache here)
+ vertex_data[i].mScore = find_vertex_score(vertex_data[i]);
+ vertex_data[i].mActiveTriangles = vertex_data[i].mTriangles.size();
+
+ for (U32 j = 0; j < vertex_data[i].mTriangles.size(); ++j)
+ {
+ vertex_data[i].mTriangles[j]->mScore += vertex_data[i].mScore;
+ }
+ }
+
+ //sort triangle data by score
+ std::sort(triangle_data.begin(), triangle_data.end());
+
+ std::vector<U16> new_indices;
+
+ LLVCacheTriangleData* tri;
+
+ //prime pump by adding first triangle to cache;
+ tri = &(triangle_data[0]);
+ cache.addTriangle(tri);
+ new_indices.push_back(tri->mVertex[0]->mIdx);
+ new_indices.push_back(tri->mVertex[1]->mIdx);
+ new_indices.push_back(tri->mVertex[2]->mIdx);
+ tri->complete();
+
+ U32 breaks = 0;
+ for (U32 i = 1; i < mNumIndices/3; ++i)
+ {
+ cache.updateScores();
+ tri = cache.mBestTriangle;
+ if (!tri)
+ {
+ breaks++;
+ for (U32 j = 0; j < triangle_data.size(); ++j)
+ {
+ if (triangle_data[j].mActive)
+ {
+ tri = &(triangle_data[j]);
+ break;
+ }
+ }
+ }
+
+ cache.addTriangle(tri);
+ new_indices.push_back(tri->mVertex[0]->mIdx);
+ new_indices.push_back(tri->mVertex[1]->mIdx);
+ new_indices.push_back(tri->mVertex[2]->mIdx);
+ tri->complete();
+ }
+
+ for (U32 i = 0; i < mNumIndices; ++i)
+ {
+ mIndices[i] = new_indices[i];
+ }
+
+ /*F32 post_acmr = 1.f;
+ //measure cache misses from after rebuild
+ {
+ LLVCacheFIFO test_cache;
+ for (U32 i = 0; i < mNumVertices; i++)
+ {
+ vertex_data[i].mCacheTag = -1;
+ }
+
+ for (U32 i = 0; i < mNumIndices; ++i)
+ {
+ test_cache.addVertex(&vertex_data[mIndices[i]]);
+ }
+
+ post_acmr = (F32) test_cache.mMisses/(mNumIndices/3);
+ }*/
+
+ //optimize for pre-TnL cache
+
+ //allocate space for new buffer
+ S32 num_verts = mNumVertices;
+ LLVector4a* pos = (LLVector4a*) malloc(sizeof(LLVector4a)*num_verts);
+ LLVector4a* norm = (LLVector4a*) malloc(sizeof(LLVector4a)*num_verts);
+ S32 size = ((num_verts*sizeof(LLVector2)) + 0xF) & ~0xF;
+ LLVector2* tc = (LLVector2*) malloc(size);
+
+ LLVector4a* wght = NULL;
+ if (mWeights)
+ {
+ wght = (LLVector4a*) malloc(sizeof(LLVector4a)*num_verts);
+ }
+
+ LLVector4a* binorm = NULL;
+ if (mBinormals)
+ {
+ binorm = (LLVector4a*) malloc(sizeof(LLVector4a)*num_verts);
+ }
+
+ //allocate mapping of old indices to new indices
+ std::vector<S32> new_idx;
+ new_idx.resize(mNumVertices, -1);
+
+ S32 cur_idx = 0;
+ for (U32 i = 0; i < mNumIndices; ++i)
+ {
+ U16 idx = mIndices[i];
+ if (new_idx[idx] == -1)
+ { //this vertex hasn't been added yet
+ new_idx[idx] = cur_idx;
+
+ //copy vertex data
+ pos[cur_idx] = mPositions[idx];
+ norm[cur_idx] = mNormals[idx];
+ tc[cur_idx] = mTexCoords[idx];
+ if (mWeights)
+ {
+ wght[cur_idx] = mWeights[idx];
+ }
+ if (mBinormals)
+ {
+ binorm[cur_idx] = mBinormals[idx];
+ }
+
+ cur_idx++;
+ }
+ }
+
+ for (U32 i = 0; i < mNumIndices; ++i)
+ {
+ mIndices[i] = new_idx[mIndices[i]];
+ }
+
+ free(mPositions);
+ free(mNormals);
+ free(mTexCoords);
+ free(mWeights);
+ free(mBinormals);
+
+ mPositions = pos;
+ mNormals = norm;
+ mTexCoords = tc;
+ mWeights = wght;
+ mBinormals = binorm;
+
+ //std::string result = llformat("ACMR pre/post: %.3f/%.3f -- %d triangles %d breaks", pre_acmr, post_acmr, mNumIndices/3, breaks);
+ //llinfos << result << llendl;
+
+}
void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVector4a& size)
{
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index e2d6ce4b69..32ac531306 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -792,39 +792,39 @@ public:
class LLVolumeFace
{
public:
- class VertexData
- {
- enum
- {
- POSITION = 0,
- NORMAL = 1
- };
-
- private:
- void init();
- public:
- VertexData();
- VertexData(const VertexData& rhs);
- const VertexData& operator=(const VertexData& rhs);
-
- ~VertexData();
- LLVector4a& getPosition();
- LLVector4a& getNormal();
- const LLVector4a& getPosition() const;
- const LLVector4a& getNormal() const;
- void setPosition(const LLVector4a& pos);
- void setNormal(const LLVector4a& norm);
-
-
- LLVector2 mTexCoord;
-
- bool operator<(const VertexData& rhs) const;
- bool operator==(const VertexData& rhs) const;
- bool compareNormal(const VertexData& rhs, F32 angle_cutoff) const;
-
- private:
- LLVector4a* mData;
- };
+ class VertexData
+ {
+ enum
+ {
+ POSITION = 0,
+ NORMAL = 1
+ };
+
+ private:
+ void init();
+ public:
+ VertexData();
+ VertexData(const VertexData& rhs);
+ const VertexData& operator=(const VertexData& rhs);
+
+ ~VertexData();
+ LLVector4a& getPosition();
+ LLVector4a& getNormal();
+ const LLVector4a& getPosition() const;
+ const LLVector4a& getNormal() const;
+ void setPosition(const LLVector4a& pos);
+ void setNormal(const LLVector4a& norm);
+
+
+ LLVector2 mTexCoord;
+
+ bool operator<(const VertexData& rhs) const;
+ bool operator==(const VertexData& rhs) const;
+ bool compareNormal(const VertexData& rhs, F32 angle_cutoff) const;
+
+ private:
+ LLVector4a* mData;
+ };
LLVolumeFace();
LLVolumeFace(const LLVolumeFace& src);
@@ -870,6 +870,8 @@ public:
};
void optimize(F32 angle_cutoff = 2.f);
+ void cacheOptimize();
+
void createOctree(F32 scaler = 0.25f, const LLVector4a& center = LLVector4a(0,0,0), const LLVector4a& size = LLVector4a(0.5f,0.5f,0.5f));
enum
@@ -1027,12 +1029,13 @@ public:
friend std::ostream& operator<<(std::ostream &s, const LLVolume *volumep); // HACK to bypass Windoze confusion over
// conversion if *(LLVolume*) to LLVolume&
const LLVolumeFace &getVolumeFace(const S32 f) const {return mVolumeFaces[f];} // DO NOT DELETE VOLUME WHILE USING THIS REFERENCE, OR HOLD A POINTER TO THIS VOLUMEFACE
-
+
U32 mFaceMask; // bit array of which faces exist in this volume
LLVector3 mLODScaleBias; // vector for biasing LOD based on scale
void sculpt(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data, S32 sculpt_level);
void copyVolumeFaces(const LLVolume* volume);
+ void cacheOptimize();
private:
void sculptGenerateMapVertices(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data, U8 sculpt_type);
--
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