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-rwxr-xr-xindra/llmath/llvolume.cpp25
-rwxr-xr-xindra/llmath/llvolume.h6
-rwxr-xr-xindra/llmath/m4math.cpp13
-rwxr-xr-xindra/llmath/m4math.h5
4 files changed, 37 insertions, 12 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 2a4aae1c31..994a9e79a6 100755
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -6072,7 +6072,7 @@ 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;
@@ -6088,18 +6088,21 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con
mNormals = mPositions+new_verts;
mTexCoords = (LLVector2*) (mNormals+new_verts);
- //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);
- //just clear tangents
- ll_aligned_free_16(mTangents);
- mTangents = NULL;
+ // tex coords
+ LLVector4a::memcpyNonAliased16((F32*)mTexCoords, (F32*)(old_buf + mNumVertices * 2), old_tc_size);
+ }
+
+ // 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