Optimize world matrix storage for drawable objects to use Matrix3x4 instead of full matrix

This commit is contained in:
Wojtek Figat
2024-03-26 11:29:01 +01:00
parent cdbb2cc813
commit 2dfb1058b2
15 changed files with 134 additions and 105 deletions

View File

@@ -2,6 +2,7 @@
#include "Matrix.h"
#include "Matrix3x3.h"
#include "Matrix3x4.h"
#include "Vector2.h"
#include "Quaternion.h"
#include "Transform.h"
@@ -887,3 +888,39 @@ Float4 Matrix::TransformPosition(const Matrix& m, const Float4& v)
m.Values[0][3] * v.Raw[0] + m.Values[1][3] * v.Raw[1] + m.Values[2][3] * v.Raw[2] + m.Values[3][3] * v.Raw[3]
);
}
void Matrix3x4::SetMatrix(const Matrix& m)
{
const float* src = m.Raw;
float* dst = Raw;
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
dst[8] = src[8];
dst[9] = src[9];
dst[10] = src[10];
dst[11] = src[11];
}
void Matrix3x4::SetMatrixTranspose(const Matrix& m)
{
const float* src = m.Raw;
float* dst = Raw;
dst[0] = src[0];
dst[1] = src[4];
dst[2] = src[8];
dst[3] = src[12];
dst[4] = src[1];
dst[5] = src[5];
dst[6] = src[9];
dst[7] = src[13];
dst[8] = src[2];
dst[9] = src[6];
dst[10] = src[10];
dst[11] = src[14];
}