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Inline common vector/matrix operations, for performance.

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Remove some redundant vector methods.
Compute skinning for positions and normals simultaneously.
(These changes reduce skinning cost by >50%.)

This was SVN commit r8170.
This commit is contained in:
Ykkrosh
2010-09-24 16:54:20 +00:00
parent 46b79f8a6d
commit ede71ea791
9 changed files with 157 additions and 158 deletions
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source/maths/Matrix3D.cpp
+1 -32
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@@ -1,4 +1,4 @@
/* Copyright (C) 2009 Wildfire Games.
/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
@@ -340,22 +340,6 @@ CVector3D CMatrix3D::GetIn () const
return Temp;
}
//Transform a vector by this matrix
CVector3D CMatrix3D::Transform (const CVector3D &vector) const
{
CVector3D result;
Transform(vector,result);
return result;
}
void CMatrix3D::Transform(const CVector3D& vector,CVector3D& result) const
{
result.X = _11*vector.X + _12*vector.Y + _13*vector.Z + _14;
result.Y = _21*vector.X + _22*vector.Y + _23*vector.Z + _24;
result.Z = _31*vector.X + _32*vector.Y + _33*vector.Z + _34;
}
//Transform a vector by this matrix
CVector4D CMatrix3D::Transform(const CVector4D &vector) const
{
@@ -372,21 +356,6 @@ void CMatrix3D::Transform(const CVector4D& vector,CVector4D& result) const
result[3] = _41*vector[0] + _42*vector[1] + _43*vector[2] + _44*vector[3];
}
//Only rotate (not translate) a vector by this matrix
CVector3D CMatrix3D::Rotate(const CVector3D& vector) const
{
CVector3D result;
Rotate(vector,result);
return result;
}
void CMatrix3D::Rotate(const CVector3D& vector,CVector3D& result) const
{
result.X = _11*vector.X + _12*vector.Y + _13*vector.Z;
result.Y = _21*vector.X + _22*vector.Y + _23*vector.Z;
result.Z = _31*vector.X + _32*vector.Y + _33*vector.Z;
}
///////////////////////////////////////////////////////////////////////////////
// RotateTransposed: rotate a vector by the transpose of this matrix
CVector3D CMatrix3D::RotateTransposed(const CVector3D& vector) const