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added vec3 multiply

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This commit is contained in:
h4570
2020-12-23 22:38:57 +01:00
parent 4b2deb8b39
commit 7dd8947612
2 changed files with 30 additions and 3 deletions
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src/engine/models/math/matrix.cpp
+19 -1
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@@ -53,6 +53,24 @@ Matrix::Matrix(const float &m11, const float &m12, const float &m13, const float
// Operators
// ----
Vector3 Matrix::operator*(const Vector3 &v) const
{
Vector3 result;
asm volatile(
"lqc2 vf4, 0x00(%1) \n\t"
"lqc2 vf5, 0x10(%1) \n\t"
"lqc2 vf6, 0x20(%1) \n\t"
"lqc2 vf7, 0x30(%1) \n\t"
"lqc2 vf8, 0x00(%2) \n\t"
"vmulax.xyzw ACC, vf4, vf8 \n\t"
"vmadday.xyzw ACC, vf5, vf8 \n\t"
"vmaddaz.xyzw ACC, vf6, vf8 \n\t"
"vmaddw.xyzw vf9, vf7, vf8 \n\t"
"sqc2 vf9, 0x00(%0) \n\t"
:
: "r"(result.xyz), "r"(this->data), "r"(v.xyz));
}
// ----
// Functions
// ----
@@ -321,7 +339,7 @@ void Matrix::setCamera(const float t_pos[4], const float t_vz[4], const float t_
: "r"(this->data), "r"(t_pos), "r"(t_vz), "r"(t_vy));
}
void Matrix::cross(float res[16], const float a[16], const float b[16])
void Matrix::cross(float res[16], const float a[16], const float b[16]) const
{
asm volatile(
"lqc2 vf1, 0x00(%1) \n\t"