diff options
Diffstat (limited to 'indra/llmath')
| -rwxr-xr-x | indra/llmath/llvolume.cpp | 28 | ||||
| -rwxr-xr-x | indra/llmath/llvolume.h | 6 | ||||
| -rwxr-xr-x | indra/llmath/m4math.cpp | 13 | ||||
| -rwxr-xr-x | indra/llmath/m4math.h | 5 |
4 files changed, 37 insertions, 15 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 191a6b38cb..ae714c5bce 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -6084,7 +6084,7 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con if (new_verts > mNumAllocatedVertices) { - //double buffer size on expansion + // double buffer size on expansion new_verts *= 2; S32 new_tc_size = ((new_verts*8)+0xF) & ~0xF; @@ -6100,21 +6100,21 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con mNormals = mPositions+new_verts; mTexCoords = (LLVector2*) (mNormals+new_verts); - if (old_buf) - { - //positions - LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) old_buf, old_vsize); - - //normals - LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) (old_buf+mNumVertices), old_vsize); + if (old_buf != NULL) + { + // copy old positions into new buffer + LLVector4a::memcpyNonAliased16((F32*)mPositions, (F32*)old_buf, old_vsize); - //tex coords - LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) (old_buf+mNumVertices*2), old_tc_size); - } + // normals + LLVector4a::memcpyNonAliased16((F32*)mNormals, (F32*)(old_buf + mNumVertices), old_vsize); + + // tex coords + LLVector4a::memcpyNonAliased16((F32*)mTexCoords, (F32*)(old_buf + mNumVertices * 2), old_tc_size); + } - //just clear tangents - ll_aligned_free_16(mTangents); - mTangents = NULL; + // just clear tangents + ll_aligned_free_16(mTangents); + mTangents = NULL; ll_aligned_free<64>(old_buf); mNumAllocatedVertices = new_verts; diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h index c8476f6897..625f7cff02 100755 --- a/indra/llmath/llvolume.h +++ b/indra/llmath/llvolume.h @@ -968,6 +968,7 @@ protected: ~LLVolume(); // use unref public: + typedef std::vector<LLVolumeFace> face_list_t; struct FaceParams { @@ -1041,6 +1042,10 @@ public: // 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 + LLVolumeFace &getVolumeFace(const S32 f) {return mVolumeFaces[f];} // DO NOT DELETE VOLUME WHILE USING THIS REFERENCE, OR HOLD A POINTER TO THIS VOLUMEFACE + + face_list_t& getVolumeFaces() { return mVolumeFaces; } + U32 mFaceMask; // bit array of which faces exist in this volume LLVector3 mLODScaleBias; // vector for biasing LOD based on scale @@ -1080,7 +1085,6 @@ public: BOOL mGenerateSingleFace; - typedef std::vector<LLVolumeFace> face_list_t; face_list_t mVolumeFaces; public: diff --git a/indra/llmath/m4math.cpp b/indra/llmath/m4math.cpp index 6a1b4143cf..d89c482804 100755 --- a/indra/llmath/m4math.cpp +++ b/indra/llmath/m4math.cpp @@ -274,6 +274,19 @@ const LLMatrix4& LLMatrix4::invert(void) return *this; } +// Convenience func for simplifying comparison-heavy code by +// intentionally stomping values in [-FLT_EPS,FLT_EPS] to 0.0f +// +void LLMatrix4::condition(void) +{ + U32 i; + U32 j; + for (i = 0; i < 3;i++) + for (j = 0; j < 3;j++) + mMatrix[i][j] = ((mMatrix[i][j] > -FLT_EPSILON) + && (mMatrix[i][j] < FLT_EPSILON)) ? 0.0f : mMatrix[i][j]; +} + LLVector4 LLMatrix4::getFwdRow4() const { return LLVector4(mMatrix[VX][VX], mMatrix[VX][VY], mMatrix[VX][VZ], mMatrix[VX][VW]); diff --git a/indra/llmath/m4math.h b/indra/llmath/m4math.h index a7dce10397..a77c5bc76d 100755 --- a/indra/llmath/m4math.h +++ b/indra/llmath/m4math.h @@ -180,6 +180,11 @@ public: const LLMatrix4& setTranslation(const LLVector4 &translation); const LLMatrix4& setTranslation(const LLVector3 &translation); + // Convenience func for simplifying comparison-heavy code by + // intentionally stomping values [-FLT_EPS,FLT_EPS] to 0.0 + // + void condition(void); + /////////////////////////// // // Get properties of a matrix |