in endless-tunnel/app/src/main/cpp/glm/detail/intrinsic_matrix.inl [771:989]
GLM_FUNC_QUALIFIER void sse_inverse_fast_ps(__m128 const in[4], __m128 out[4])
{
__m128 Fac0;
{
// valType SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
// valType SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
// valType SubFactor06 = m[1][2] * m[3][3] - m[3][2] * m[1][3];
// valType SubFactor13 = m[1][2] * m[2][3] - m[2][2] * m[1][3];
__m128 Swp0a = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Swp0b = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Swp00 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Swp01 = _mm_shuffle_ps(Swp0a, Swp0a, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp02 = _mm_shuffle_ps(Swp0b, Swp0b, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp03 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Mul00 = _mm_mul_ps(Swp00, Swp01);
__m128 Mul01 = _mm_mul_ps(Swp02, Swp03);
Fac0 = _mm_sub_ps(Mul00, Mul01);
}
__m128 Fac1;
{
// valType SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
// valType SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
// valType SubFactor07 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
// valType SubFactor14 = m[1][1] * m[2][3] - m[2][1] * m[1][3];
__m128 Swp0a = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Swp0b = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Swp00 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Swp01 = _mm_shuffle_ps(Swp0a, Swp0a, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp02 = _mm_shuffle_ps(Swp0b, Swp0b, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp03 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Mul00 = _mm_mul_ps(Swp00, Swp01);
__m128 Mul01 = _mm_mul_ps(Swp02, Swp03);
Fac1 = _mm_sub_ps(Mul00, Mul01);
}
__m128 Fac2;
{
// valType SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
// valType SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
// valType SubFactor08 = m[1][1] * m[3][2] - m[3][1] * m[1][2];
// valType SubFactor15 = m[1][1] * m[2][2] - m[2][1] * m[1][2];
__m128 Swp0a = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Swp0b = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Swp00 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Swp01 = _mm_shuffle_ps(Swp0a, Swp0a, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp02 = _mm_shuffle_ps(Swp0b, Swp0b, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp03 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Mul00 = _mm_mul_ps(Swp00, Swp01);
__m128 Mul01 = _mm_mul_ps(Swp02, Swp03);
Fac2 = _mm_sub_ps(Mul00, Mul01);
}
__m128 Fac3;
{
// valType SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
// valType SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
// valType SubFactor09 = m[1][0] * m[3][3] - m[3][0] * m[1][3];
// valType SubFactor16 = m[1][0] * m[2][3] - m[2][0] * m[1][3];
__m128 Swp0a = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Swp0b = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Swp00 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Swp01 = _mm_shuffle_ps(Swp0a, Swp0a, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp02 = _mm_shuffle_ps(Swp0b, Swp0b, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp03 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Mul00 = _mm_mul_ps(Swp00, Swp01);
__m128 Mul01 = _mm_mul_ps(Swp02, Swp03);
Fac3 = _mm_sub_ps(Mul00, Mul01);
}
__m128 Fac4;
{
// valType SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
// valType SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
// valType SubFactor10 = m[1][0] * m[3][2] - m[3][0] * m[1][2];
// valType SubFactor17 = m[1][0] * m[2][2] - m[2][0] * m[1][2];
__m128 Swp0a = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Swp0b = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Swp00 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Swp01 = _mm_shuffle_ps(Swp0a, Swp0a, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp02 = _mm_shuffle_ps(Swp0b, Swp0b, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp03 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Mul00 = _mm_mul_ps(Swp00, Swp01);
__m128 Mul01 = _mm_mul_ps(Swp02, Swp03);
Fac4 = _mm_sub_ps(Mul00, Mul01);
}
__m128 Fac5;
{
// valType SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
// valType SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
// valType SubFactor12 = m[1][0] * m[3][1] - m[3][0] * m[1][1];
// valType SubFactor18 = m[1][0] * m[2][1] - m[2][0] * m[1][1];
__m128 Swp0a = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Swp0b = _mm_shuffle_ps(in[3], in[2], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Swp00 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Swp01 = _mm_shuffle_ps(Swp0a, Swp0a, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp02 = _mm_shuffle_ps(Swp0b, Swp0b, _MM_SHUFFLE(2, 0, 0, 0));
__m128 Swp03 = _mm_shuffle_ps(in[2], in[1], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Mul00 = _mm_mul_ps(Swp00, Swp01);
__m128 Mul01 = _mm_mul_ps(Swp02, Swp03);
Fac5 = _mm_sub_ps(Mul00, Mul01);
}
__m128 SignA = _mm_set_ps( 1.0f,-1.0f, 1.0f,-1.0f);
__m128 SignB = _mm_set_ps(-1.0f, 1.0f,-1.0f, 1.0f);
// m[1][0]
// m[0][0]
// m[0][0]
// m[0][0]
__m128 Temp0 = _mm_shuffle_ps(in[1], in[0], _MM_SHUFFLE(0, 0, 0, 0));
__m128 Vec0 = _mm_shuffle_ps(Temp0, Temp0, _MM_SHUFFLE(2, 2, 2, 0));
// m[1][1]
// m[0][1]
// m[0][1]
// m[0][1]
__m128 Temp1 = _mm_shuffle_ps(in[1], in[0], _MM_SHUFFLE(1, 1, 1, 1));
__m128 Vec1 = _mm_shuffle_ps(Temp1, Temp1, _MM_SHUFFLE(2, 2, 2, 0));
// m[1][2]
// m[0][2]
// m[0][2]
// m[0][2]
__m128 Temp2 = _mm_shuffle_ps(in[1], in[0], _MM_SHUFFLE(2, 2, 2, 2));
__m128 Vec2 = _mm_shuffle_ps(Temp2, Temp2, _MM_SHUFFLE(2, 2, 2, 0));
// m[1][3]
// m[0][3]
// m[0][3]
// m[0][3]
__m128 Temp3 = _mm_shuffle_ps(in[1], in[0], _MM_SHUFFLE(3, 3, 3, 3));
__m128 Vec3 = _mm_shuffle_ps(Temp3, Temp3, _MM_SHUFFLE(2, 2, 2, 0));
// col0
// + (Vec1[0] * Fac0[0] - Vec2[0] * Fac1[0] + Vec3[0] * Fac2[0]),
// - (Vec1[1] * Fac0[1] - Vec2[1] * Fac1[1] + Vec3[1] * Fac2[1]),
// + (Vec1[2] * Fac0[2] - Vec2[2] * Fac1[2] + Vec3[2] * Fac2[2]),
// - (Vec1[3] * Fac0[3] - Vec2[3] * Fac1[3] + Vec3[3] * Fac2[3]),
__m128 Mul00 = _mm_mul_ps(Vec1, Fac0);
__m128 Mul01 = _mm_mul_ps(Vec2, Fac1);
__m128 Mul02 = _mm_mul_ps(Vec3, Fac2);
__m128 Sub00 = _mm_sub_ps(Mul00, Mul01);
__m128 Add00 = _mm_add_ps(Sub00, Mul02);
__m128 Inv0 = _mm_mul_ps(SignB, Add00);
// col1
// - (Vec0[0] * Fac0[0] - Vec2[0] * Fac3[0] + Vec3[0] * Fac4[0]),
// + (Vec0[0] * Fac0[1] - Vec2[1] * Fac3[1] + Vec3[1] * Fac4[1]),
// - (Vec0[0] * Fac0[2] - Vec2[2] * Fac3[2] + Vec3[2] * Fac4[2]),
// + (Vec0[0] * Fac0[3] - Vec2[3] * Fac3[3] + Vec3[3] * Fac4[3]),
__m128 Mul03 = _mm_mul_ps(Vec0, Fac0);
__m128 Mul04 = _mm_mul_ps(Vec2, Fac3);
__m128 Mul05 = _mm_mul_ps(Vec3, Fac4);
__m128 Sub01 = _mm_sub_ps(Mul03, Mul04);
__m128 Add01 = _mm_add_ps(Sub01, Mul05);
__m128 Inv1 = _mm_mul_ps(SignA, Add01);
// col2
// + (Vec0[0] * Fac1[0] - Vec1[0] * Fac3[0] + Vec3[0] * Fac5[0]),
// - (Vec0[0] * Fac1[1] - Vec1[1] * Fac3[1] + Vec3[1] * Fac5[1]),
// + (Vec0[0] * Fac1[2] - Vec1[2] * Fac3[2] + Vec3[2] * Fac5[2]),
// - (Vec0[0] * Fac1[3] - Vec1[3] * Fac3[3] + Vec3[3] * Fac5[3]),
__m128 Mul06 = _mm_mul_ps(Vec0, Fac1);
__m128 Mul07 = _mm_mul_ps(Vec1, Fac3);
__m128 Mul08 = _mm_mul_ps(Vec3, Fac5);
__m128 Sub02 = _mm_sub_ps(Mul06, Mul07);
__m128 Add02 = _mm_add_ps(Sub02, Mul08);
__m128 Inv2 = _mm_mul_ps(SignB, Add02);
// col3
// - (Vec1[0] * Fac2[0] - Vec1[0] * Fac4[0] + Vec2[0] * Fac5[0]),
// + (Vec1[0] * Fac2[1] - Vec1[1] * Fac4[1] + Vec2[1] * Fac5[1]),
// - (Vec1[0] * Fac2[2] - Vec1[2] * Fac4[2] + Vec2[2] * Fac5[2]),
// + (Vec1[0] * Fac2[3] - Vec1[3] * Fac4[3] + Vec2[3] * Fac5[3]));
__m128 Mul09 = _mm_mul_ps(Vec0, Fac2);
__m128 Mul10 = _mm_mul_ps(Vec1, Fac4);
__m128 Mul11 = _mm_mul_ps(Vec2, Fac5);
__m128 Sub03 = _mm_sub_ps(Mul09, Mul10);
__m128 Add03 = _mm_add_ps(Sub03, Mul11);
__m128 Inv3 = _mm_mul_ps(SignA, Add03);
__m128 Row0 = _mm_shuffle_ps(Inv0, Inv1, _MM_SHUFFLE(0, 0, 0, 0));
__m128 Row1 = _mm_shuffle_ps(Inv2, Inv3, _MM_SHUFFLE(0, 0, 0, 0));
__m128 Row2 = _mm_shuffle_ps(Row0, Row1, _MM_SHUFFLE(2, 0, 2, 0));
// valType Determinant = m[0][0] * Inverse[0][0]
// + m[0][1] * Inverse[1][0]
// + m[0][2] * Inverse[2][0]
// + m[0][3] * Inverse[3][0];
__m128 Det0 = sse_dot_ps(in[0], Row2);
__m128 Rcp0 = _mm_rcp_ps(Det0);
//__m128 Rcp0 = _mm_div_ps(one, Det0);
// Inverse /= Determinant;
out[0] = _mm_mul_ps(Inv0, Rcp0);
out[1] = _mm_mul_ps(Inv1, Rcp0);
out[2] = _mm_mul_ps(Inv2, Rcp0);
out[3] = _mm_mul_ps(Inv3, Rcp0);
}