From 46768c3c6c263ec27a80c854734ce0b61d29686f Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 12 Jul 2010 07:39:23 -0500 Subject: Merge? --- indra/llmath/llvolume.cpp | 186 ++++++++++++++++++++++++++++------------------ 1 file changed, 112 insertions(+), 74 deletions(-) (limited to 'indra/llmath') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index a4022c842d..38944d3855 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -5245,6 +5245,10 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src) mNumS = src.mNumS; mNumT = src.mNumT; + mExtents[0] = src.mExtents[0]; + mExtents[1] = src.mExtents[1]; + *mCenter = *src.mCenter; + mNumVertices = 0; mNumIndices = 0; @@ -5297,7 +5301,6 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src) LLVector4a::memcpyNonAliased16((F32*) mIndices, (F32*) src.mIndices, idx_size); } - //delete return *this; } @@ -5535,88 +5538,100 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) S32 offset = 0; if (mTypeMask & TOP_MASK) + { offset = (max_t-1) * max_s; + } else + { offset = mBeginS; - - VertexData corners[4]; - VertexData baseVert; - for(int t = 0; t < 4; t++){ - 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]; } { - 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(); - } + VertexData corners[4]; + VertexData baseVert; + for(S32 t = 0; t < 4; t++) + { + 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]; + } - if(!(mTypeMask & TOP_MASK)){ - baseVert.getNormal().mul(-1.0f); - }else{ - //Swap the UVs on the U(X) axis for top face - LLVector2 swap; - swap = corners[0].mTexCoord; - corners[0].mTexCoord=corners[3].mTexCoord; - corners[3].mTexCoord=swap; - swap = corners[1].mTexCoord; - corners[1].mTexCoord=corners[2].mTexCoord; - corners[2].mTexCoord=swap; - } + { + 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(); + } - 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); - - binormal.normalize3fast(); + if(!(mTypeMask & TOP_MASK)) + { + baseVert.getNormal().mul(-1.0f); + } + else + { + //Swap the UVs on the U(X) axis for top face + LLVector2 swap; + swap = corners[0].mTexCoord; + corners[0].mTexCoord=corners[3].mTexCoord; + corners[3].mTexCoord=swap; + swap = corners[1].mTexCoord; + corners[1].mTexCoord=corners[2].mTexCoord; + corners[2].mTexCoord=swap; + } - S32 size = (grid_size+1)*(grid_size+1); - resizeVertices(size); - allocateBinormals(size); + 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); + + binormal.normalize3fast(); - LLVector4a* pos = (LLVector4a*) mPositions; - LLVector4a* norm = (LLVector4a*) mNormals; - LLVector4a* binorm = (LLVector4a*) mBinormals; - LLVector2* tc = (LLVector2*) mTexCoords; + S32 size = (grid_size+1)*(grid_size+1); + resizeVertices(size); + allocateBinormals(size); - for(int gx = 0;gxsetAdd(min, max); - mCenter->mul(0.5f); + mCenter->setAdd(min, max); + mCenter->mul(0.5f); + } if (!partial_build) { @@ -6249,73 +6264,96 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat llerrs << "Cannot append face -- 16-bit overflow will occur." << llendl; } - + if (face.mNumVertices == 0) + { + llerrs << "Cannot append empty face." << llendl; + } + + //allocate new buffer space 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); + if (mNumVertices > 0) - { + { //copy old buffers LLVector4a::memcpyNonAliased16((F32*) new_pos, (F32*) mPositions, mNumVertices*4); LLVector4a::memcpyNonAliased16((F32*) new_norm, (F32*) mNormals, mNumVertices*4); LLVector4a::memcpyNonAliased16((F32*) new_tc, (F32*) mTexCoords, mNumVertices*2); } + //free old buffer space ll_aligned_free_16(mPositions); ll_aligned_free_16(mNormals); ll_aligned_free_16(mTexCoords); + //point to new buffers mPositions = new_pos; mNormals = new_norm; mTexCoords = new_tc; mNumVertices = new_count; + //get destination address of appended face LLVector4a* dst_pos = mPositions+offset; LLVector2* dst_tc = mTexCoords+offset; LLVector4a* dst_norm = mNormals+offset; + //get source addresses of appended face const LLVector4a* src_pos = face.mPositions; const LLVector2* src_tc = face.mTexCoords; const LLVector4a* src_norm = face.mNormals; + //load aligned matrices LLMatrix4a mat, norm_mat; mat.loadu(mat_in); norm_mat.loadu(norm_mat_in); for (U32 i = 0; i < face.mNumVertices; ++i) { + //transform appended face position and store mat.affineTransform(src_pos[i], dst_pos[i]); + + //transform appended face normal and store norm_mat.rotate(src_norm[i], dst_norm[i]); dst_norm[i].normalize3fast(); + //copy appended face texture coordinate dst_tc[i] = src_tc[i]; if (offset == 0 && i == 0) - { + { //initialize bounding box mExtents[0] = mExtents[1] = dst_pos[i]; } else { + //stretch bounding box update_min_max(mExtents[0], mExtents[1], dst_pos[i]); } } new_count = mNumIndices + face.mNumIndices; + + //allocate new index buffer U16* new_indices = (U16*) ll_aligned_malloc_16((new_count*2+0xF) & ~0xF); if (mNumIndices > 0) - { - LLVector4a::memcpyNonAliased16((F32*) new_indices, (F32*) mIndices, llmax(mNumIndices/2, 1)); + { //copy old index buffer + LLVector4a::memcpyNonAliased16((F32*) new_indices, (F32*) mIndices, llmax(mNumIndices/2, 4)); } + //free old index buffer ll_aligned_free_16(mIndices); + + //point to new index buffer mIndices = new_indices; + + //get destination address into new index buffer U16* dst_idx = mIndices+mNumIndices; mNumIndices = new_count; for (U32 i = 0; i < face.mNumIndices; ++i) - { + { //copy indices, offsetting by old vertex count dst_idx[i] = face.mIndices[i]+offset; } } -- cgit v1.2.3