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Fix uninitialized in constexpr warning

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Matrix multiplication functions that were recently marked as 'constexpr'
in commit '1cc8e80e3ba140239196d9a4597a2ea8139a4aa5' can throw warnings
about an "uninitialized variable 'Result' in constexpr function".

Change-Id: I95396da9ac8a6e0dd1b6ae4e782f75446cfa70a3
This commit is contained in:
Jeff Burnett 2024-02-23 10:33:51 -06:00
parent 4137519418
commit 5871745975
9 changed files with 105 additions and 237 deletions
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2
glm/detail/func_common.inl
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@ -345,7 +345,7 @@ namespace detail
template<int c> template<int c>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR static vec<L, T, Q> call(vec<L, T, Q> const& a) GLM_FUNC_QUALIFIER GLM_CONSTEXPR static vec<L, T, Q> call(vec<L, T, Q> const& a)
{ {
vec<L, T, Q> v; vec<L, T, Q> v(0.0f);
for (int i = 0; i < L; ++i) for (int i = 0; i < L; ++i)
v[i] = a[c]; v[i] = a[c];
return v; return v;

35
glm/detail/type_mat2x3.inl
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@ -433,31 +433,16 @@ namespace glm
template<typename T, qualifier Q> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<3, 3, T, Q> operator*(mat<2, 3, T, Q> const& m1, mat<3, 2, T, Q> const& m2) GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<3, 3, T, Q> operator*(mat<2, 3, T, Q> const& m1, mat<3, 2, T, Q> const& m2)
{ {
T SrcA00 = m1[0][0]; return mat<3, 3, T, Q>(
T SrcA01 = m1[0][1]; m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1],
T SrcA02 = m1[0][2]; m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
T SrcA10 = m1[1][0]; m1[0][2] * m2[0][0] + m1[1][2] * m2[0][1],
T SrcA11 = m1[1][1]; m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
T SrcA12 = m1[1][2]; m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1],
m1[0][2] * m2[1][0] + m1[1][2] * m2[1][1],
T SrcB00 = m2[0][0]; m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1],
T SrcB01 = m2[0][1]; m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1],
T SrcB10 = m2[1][0]; m1[0][2] * m2[2][0] + m1[1][2] * m2[2][1]);
T SrcB11 = m2[1][1];
T SrcB20 = m2[2][0];
T SrcB21 = m2[2][1];
mat<3, 3, T, Q> Result;
Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01;
Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01;
Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01;
Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11;
Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11;
Result[1][2] = SrcA02 * SrcB10 + SrcA12 * SrcB11;
Result[2][0] = SrcA00 * SrcB20 + SrcA10 * SrcB21;
Result[2][1] = SrcA01 * SrcB20 + SrcA11 * SrcB21;
Result[2][2] = SrcA02 * SrcB20 + SrcA12 * SrcB21;
return Result;
} }
template<typename T, qualifier Q> template<typename T, qualifier Q>

53
glm/detail/type_mat2x4.inl
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@ -418,42 +418,23 @@ namespace glm
template<typename T, qualifier Q> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<4, 4, T, Q> operator*(mat<2, 4, T, Q> const& m1, mat<4, 2, T, Q> const& m2) GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<4, 4, T, Q> operator*(mat<2, 4, T, Q> const& m1, mat<4, 2, T, Q> const& m2)
{ {
T SrcA00 = m1[0][0]; return mat<4, 4, T, Q>(
T SrcA01 = m1[0][1]; m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1],
T SrcA02 = m1[0][2]; m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1],
T SrcA03 = m1[0][3]; m1[0][2] * m2[0][0] + m1[1][2] * m2[0][1],
T SrcA10 = m1[1][0]; m1[0][3] * m2[0][0] + m1[1][3] * m2[0][1],
T SrcA11 = m1[1][1]; m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1],
T SrcA12 = m1[1][2]; m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1],
T SrcA13 = m1[1][3]; m1[0][2] * m2[1][0] + m1[1][2] * m2[1][1],
m1[0][3] * m2[1][0] + m1[1][3] * m2[1][1],
T SrcB00 = m2[0][0]; m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1],
T SrcB01 = m2[0][1]; m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1],
T SrcB10 = m2[1][0]; m1[0][2] * m2[2][0] + m1[1][2] * m2[2][1],
T SrcB11 = m2[1][1]; m1[0][3] * m2[2][0] + m1[1][3] * m2[2][1],
T SrcB20 = m2[2][0]; m1[0][0] * m2[3][0] + m1[1][0] * m2[3][1],
T SrcB21 = m2[2][1]; m1[0][1] * m2[3][0] + m1[1][1] * m2[3][1],
T SrcB30 = m2[3][0]; m1[0][2] * m2[3][0] + m1[1][2] * m2[3][1],
T SrcB31 = m2[3][1]; m1[0][3] * m2[3][0] + m1[1][3] * m2[3][1]);
mat<4, 4, T, Q> Result;
Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01;
Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01;
Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01;
Result[0][3] = SrcA03 * SrcB00 + SrcA13 * SrcB01;
Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11;
Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11;
Result[1][2] = SrcA02 * SrcB10 + SrcA12 * SrcB11;
Result[1][3] = SrcA03 * SrcB10 + SrcA13 * SrcB11;
Result[2][0] = SrcA00 * SrcB20 + SrcA10 * SrcB21;
Result[2][1] = SrcA01 * SrcB20 + SrcA11 * SrcB21;
Result[2][2] = SrcA02 * SrcB20 + SrcA12 * SrcB21;
Result[2][3] = SrcA03 * SrcB20 + SrcA13 * SrcB21;
Result[3][0] = SrcA00 * SrcB30 + SrcA10 * SrcB31;
Result[3][1] = SrcA01 * SrcB30 + SrcA11 * SrcB31;
Result[3][2] = SrcA02 * SrcB30 + SrcA12 * SrcB31;
Result[3][3] = SrcA03 * SrcB30 + SrcA13 * SrcB31;
return Result;
} }
template<typename T, qualifier Q> template<typename T, qualifier Q>

25
glm/detail/type_mat3x2.inl
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@ -450,26 +450,11 @@ namespace glm
template<typename T, qualifier Q> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<2, 2, T, Q> operator*(mat<3, 2, T, Q> const& m1, mat<2, 3, T, Q> const& m2) GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<2, 2, T, Q> operator*(mat<3, 2, T, Q> const& m1, mat<2, 3, T, Q> const& m2)
{ {
const T SrcA00 = m1[0][0]; return mat<2, 2, T, Q>(
const T SrcA01 = m1[0][1]; m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1] + m1[2][0] * m2[0][2],
const T SrcA10 = m1[1][0]; m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1] + m1[2][1] * m2[0][2],
const T SrcA11 = m1[1][1]; m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1] + m1[2][0] * m2[1][2],
const T SrcA20 = m1[2][0]; m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1] + m1[2][1] * m2[1][2]);
const T SrcA21 = m1[2][1];
const T SrcB00 = m2[0][0];
const T SrcB01 = m2[0][1];
const T SrcB02 = m2[0][2];
const T SrcB10 = m2[1][0];
const T SrcB11 = m2[1][1];
const T SrcB12 = m2[1][2];
mat<2, 2, T, Q> Result;
Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02;
Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02;
Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12;
Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11 + SrcA21 * SrcB12;
return Result;
} }
template<typename T, qualifier Q> template<typename T, qualifier Q>

38
glm/detail/type_mat3x3.inl
View File

@ -501,11 +501,11 @@ namespace glm
typename mat<4, 4, T, Q>::col_type const SrcB1 = xyzz(m2[1]); typename mat<4, 4, T, Q>::col_type const SrcB1 = xyzz(m2[1]);
typename mat<4, 4, T, Q>::col_type const SrcB2 = xyzz(m2[2]); typename mat<4, 4, T, Q>::col_type const SrcB2 = xyzz(m2[2]);
mat<3, 3, T, Q> Result; typename mat<3, 3, T, Q>::col_type const tmp0 = xyz(glm::fma(SrcA2, splatZ(SrcB0), glm::fma(SrcA1, splatY(SrcB0), SrcA0 * splatX(SrcB0))));
Result[0] = xyz(glm::fma(SrcA2, splatZ(SrcB0), glm::fma(SrcA1, splatY(SrcB0), SrcA0 * splatX(SrcB0)))); typename mat<3, 3, T, Q>::col_type const tmp1 = xyz(glm::fma(SrcA2, splatZ(SrcB1), glm::fma(SrcA1, splatY(SrcB1), SrcA0 * splatX(SrcB1))));
Result[1] = xyz(glm::fma(SrcA2, splatZ(SrcB1), glm::fma(SrcA1, splatY(SrcB1), SrcA0 * splatX(SrcB1)))); typename mat<3, 3, T, Q>::col_type const tmp2 = xyz(glm::fma(SrcA2, splatZ(SrcB2), glm::fma(SrcA1, splatY(SrcB2), SrcA0 * splatX(SrcB2))));
Result[2] = xyz(glm::fma(SrcA2, splatZ(SrcB2), glm::fma(SrcA1, splatY(SrcB2), SrcA0 * splatX(SrcB2))));
return mat<3, 3, T, Q>(Result); return mat<3, 3, T, Q>(tmp0, tmp1, tmp2);
} }
}; };
#endif #endif
@ -522,26 +522,22 @@ namespace glm
typename mat<3, 3, T, Q>::col_type const& SrcB1 = m2[1]; typename mat<3, 3, T, Q>::col_type const& SrcB1 = m2[1];
typename mat<3, 3, T, Q>::col_type const& SrcB2 = m2[2]; typename mat<3, 3, T, Q>::col_type const& SrcB2 = m2[2];
mat<3, 3, T, Q> Result;
// note: the following lines are decomposed to have consistent results between simd and non simd code (prevent rounding error because of operation order) // note: the following lines are decomposed to have consistent results between simd and non simd code (prevent rounding error because of operation order)
//Result[0] = SrcA2 * SrcB1.z + SrcA1 * SrcB1.y + SrcA0 * SrcB1.x; //Result[0] = SrcA2 * SrcB0.z + SrcA1 * SrcB0.y + SrcA0 * SrcB0.x;
//Result[1] = SrcA2 * SrcB1.z + SrcA1 * SrcB1.y + SrcA0 * SrcB1.x; //Result[1] = SrcA2 * SrcB1.z + SrcA1 * SrcB1.y + SrcA0 * SrcB1.x;
//Result[2] = SrcA2 * SrcB2.z + SrcA1 * SrcB2.y + SrcA0 * SrcB2.x; //Result[2] = SrcA2 * SrcB2.z + SrcA1 * SrcB2.y + SrcA0 * SrcB2.x;
typename mat<3, 3, T, Q>::col_type tmp; typename mat<3, 3, T, Q>::col_type tmp0 = SrcA0 * SrcB0.x;
tmp = SrcA0 * SrcB0.x; tmp0 += SrcA1 * SrcB0.y;
tmp += SrcA1 * SrcB0.y; tmp0 += SrcA2 * SrcB0.z;
tmp += SrcA2 * SrcB0.z; typename mat<3, 3, T, Q>::col_type tmp1 = SrcA0 * SrcB1.x;
Result[0] = tmp; tmp1 += SrcA1 * SrcB1.y;
tmp = SrcA0 * SrcB1.x; tmp1 += SrcA2 * SrcB1.z;
tmp += SrcA1 * SrcB1.y; typename mat<3, 3, T, Q>::col_type tmp2 = SrcA0 * SrcB2.x;
tmp += SrcA2 * SrcB1.z; tmp2 += SrcA1 * SrcB2.y;
Result[1] = tmp; tmp2 += SrcA2 * SrcB2.z;
tmp = SrcA0 * SrcB2.x;
tmp += SrcA1 * SrcB2.y; return mat<3, 3, T, Q>(tmp0, tmp1, tmp2);
tmp += SrcA2 * SrcB2.z;
Result[2] = tmp;
return Result;
} }
}; };
} }

61
glm/detail/type_mat3x4.inl
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@ -466,50 +466,23 @@ namespace glm
template<typename T, qualifier Q> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<4, 4, T, Q> operator*(mat<3, 4, T, Q> const& m1, mat<4, 3, T, Q> const& m2) GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<4, 4, T, Q> operator*(mat<3, 4, T, Q> const& m1, mat<4, 3, T, Q> const& m2)
{ {
const T SrcA00 = m1[0][0]; return mat<4, 4, T, Q>(
const T SrcA01 = m1[0][1]; m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1] + m1[2][0] * m2[0][2],
const T SrcA02 = m1[0][2]; m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1] + m1[2][1] * m2[0][2],
const T SrcA03 = m1[0][3]; m1[0][2] * m2[0][0] + m1[1][2] * m2[0][1] + m1[2][2] * m2[0][2],
const T SrcA10 = m1[1][0]; m1[0][3] * m2[0][0] + m1[1][3] * m2[0][1] + m1[2][3] * m2[0][2],
const T SrcA11 = m1[1][1]; m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1] + m1[2][0] * m2[1][2],
const T SrcA12 = m1[1][2]; m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1] + m1[2][1] * m2[1][2],
const T SrcA13 = m1[1][3]; m1[0][2] * m2[1][0] + m1[1][2] * m2[1][1] + m1[2][2] * m2[1][2],
const T SrcA20 = m1[2][0]; m1[0][3] * m2[1][0] + m1[1][3] * m2[1][1] + m1[2][3] * m2[1][2],
const T SrcA21 = m1[2][1]; m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1] + m1[2][0] * m2[2][2],
const T SrcA22 = m1[2][2]; m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1] + m1[2][1] * m2[2][2],
const T SrcA23 = m1[2][3]; m1[0][2] * m2[2][0] + m1[1][2] * m2[2][1] + m1[2][2] * m2[2][2],
m1[0][3] * m2[2][0] + m1[1][3] * m2[2][1] + m1[2][3] * m2[2][2],
const T SrcB00 = m2[0][0]; m1[0][0] * m2[3][0] + m1[1][0] * m2[3][1] + m1[2][0] * m2[3][2],
const T SrcB01 = m2[0][1]; m1[0][1] * m2[3][0] + m1[1][1] * m2[3][1] + m1[2][1] * m2[3][2],
const T SrcB02 = m2[0][2]; m1[0][2] * m2[3][0] + m1[1][2] * m2[3][1] + m1[2][2] * m2[3][2],
const T SrcB10 = m2[1][0]; m1[0][3] * m2[3][0] + m1[1][3] * m2[3][1] + m1[2][3] * m2[3][2]);
const T SrcB11 = m2[1][1];
const T SrcB12 = m2[1][2];
const T SrcB20 = m2[2][0];
const T SrcB21 = m2[2][1];
const T SrcB22 = m2[2][2];
const T SrcB30 = m2[3][0];
const T SrcB31 = m2[3][1];
const T SrcB32 = m2[3][2];
mat<4, 4, T, Q> Result;
Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02;
Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02;
Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01 + SrcA22 * SrcB02;
Result[0][3] = SrcA03 * SrcB00 + SrcA13 * SrcB01 + SrcA23 * SrcB02;
Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12;
Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11 + SrcA21 * SrcB12;
Result[1][2] = SrcA02 * SrcB10 + SrcA12 * SrcB11 + SrcA22 * SrcB12;
Result[1][3] = SrcA03 * SrcB10 + SrcA13 * SrcB11 + SrcA23 * SrcB12;
Result[2][0] = SrcA00 * SrcB20 + SrcA10 * SrcB21 + SrcA20 * SrcB22;
Result[2][1] = SrcA01 * SrcB20 + SrcA11 * SrcB21 + SrcA21 * SrcB22;
Result[2][2] = SrcA02 * SrcB20 + SrcA12 * SrcB21 + SrcA22 * SrcB22;
Result[2][3] = SrcA03 * SrcB20 + SrcA13 * SrcB21 + SrcA23 * SrcB22;
Result[3][0] = SrcA00 * SrcB30 + SrcA10 * SrcB31 + SrcA20 * SrcB32;
Result[3][1] = SrcA01 * SrcB30 + SrcA11 * SrcB31 + SrcA21 * SrcB32;
Result[3][2] = SrcA02 * SrcB30 + SrcA12 * SrcB31 + SrcA22 * SrcB32;
Result[3][3] = SrcA03 * SrcB30 + SrcA13 * SrcB31 + SrcA23 * SrcB32;
return Result;
} }
template<typename T, qualifier Q> template<typename T, qualifier Q>

29
glm/detail/type_mat4x2.inl
View File

@ -486,30 +486,11 @@ namespace glm
template<typename T, qualifier Q> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<2, 2, T, Q> operator*(mat<4, 2, T, Q> const& m1, mat<2, 4, T, Q> const& m2) GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<2, 2, T, Q> operator*(mat<4, 2, T, Q> const& m1, mat<2, 4, T, Q> const& m2)
{ {
T const SrcA00 = m1[0][0]; return mat<2, 2, T, Q>(
T const SrcA01 = m1[0][1]; m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1] + m1[2][0] * m2[0][2] + m1[3][0] * m2[0][3],
T const SrcA10 = m1[1][0]; m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1] + m1[2][1] * m2[0][2] + m1[3][1] * m2[0][3],
T const SrcA11 = m1[1][1]; m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1] + m1[2][0] * m2[1][2] + m1[3][0] * m2[1][3],
T const SrcA20 = m1[2][0]; m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1] + m1[2][1] * m2[1][2] + m1[3][1] * m2[1][3]);
T const SrcA21 = m1[2][1];
T const SrcA30 = m1[3][0];
T const SrcA31 = m1[3][1];
T const SrcB00 = m2[0][0];
T const SrcB01 = m2[0][1];
T const SrcB02 = m2[0][2];
T const SrcB03 = m2[0][3];
T const SrcB10 = m2[1][0];
T const SrcB11 = m2[1][1];
T const SrcB12 = m2[1][2];
T const SrcB13 = m2[1][3];
mat<2, 2, T, Q> Result;
Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02 + SrcA30 * SrcB03;
Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02 + SrcA31 * SrcB03;
Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12 + SrcA30 * SrcB13;
Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11 + SrcA21 * SrcB12 + SrcA31 * SrcB13;
return Result;
} }
template<typename T, qualifier Q> template<typename T, qualifier Q>

47
glm/detail/type_mat4x3.inl
View File

@ -505,43 +505,16 @@ namespace glm
template<typename T, qualifier Q> template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<3, 3, T, Q> operator*(mat<4, 3, T, Q> const& m1, mat<3, 4, T, Q> const& m2) GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<3, 3, T, Q> operator*(mat<4, 3, T, Q> const& m1, mat<3, 4, T, Q> const& m2)
{ {
T const SrcA00 = m1[0][0]; return mat<3, 3, T, Q>(
T const SrcA01 = m1[0][1]; m1[0][0] * m2[0][0] + m1[1][0] * m2[0][1] + m1[2][0] * m2[0][2] + m1[3][0] * m2[0][3],
T const SrcA02 = m1[0][2]; m1[0][1] * m2[0][0] + m1[1][1] * m2[0][1] + m1[2][1] * m2[0][2] + m1[3][1] * m2[0][3],
T const SrcA10 = m1[1][0]; m1[0][2] * m2[0][0] + m1[1][2] * m2[0][1] + m1[2][2] * m2[0][2] + m1[3][2] * m2[0][3],
T const SrcA11 = m1[1][1]; m1[0][0] * m2[1][0] + m1[1][0] * m2[1][1] + m1[2][0] * m2[1][2] + m1[3][0] * m2[1][3],
T const SrcA12 = m1[1][2]; m1[0][1] * m2[1][0] + m1[1][1] * m2[1][1] + m1[2][1] * m2[1][2] + m1[3][1] * m2[1][3],
T const SrcA20 = m1[2][0]; m1[0][2] * m2[1][0] + m1[1][2] * m2[1][1] + m1[2][2] * m2[1][2] + m1[3][2] * m2[1][3],
T const SrcA21 = m1[2][1]; m1[0][0] * m2[2][0] + m1[1][0] * m2[2][1] + m1[2][0] * m2[2][2] + m1[3][0] * m2[2][3],
T const SrcA22 = m1[2][2]; m1[0][1] * m2[2][0] + m1[1][1] * m2[2][1] + m1[2][1] * m2[2][2] + m1[3][1] * m2[2][3],
T const SrcA30 = m1[3][0]; m1[0][2] * m2[2][0] + m1[1][2] * m2[2][1] + m1[2][2] * m2[2][2] + m1[3][2] * m2[2][3]);
T const SrcA31 = m1[3][1];
T const SrcA32 = m1[3][2];
T const SrcB00 = m2[0][0];
T const SrcB01 = m2[0][1];
T const SrcB02 = m2[0][2];
T const SrcB03 = m2[0][3];
T const SrcB10 = m2[1][0];
T const SrcB11 = m2[1][1];
T const SrcB12 = m2[1][2];
T const SrcB13 = m2[1][3];
T const SrcB20 = m2[2][0];
T const SrcB21 = m2[2][1];
T const SrcB22 = m2[2][2];
T const SrcB23 = m2[2][3];
mat<3, 3, T, Q> Result;
Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02 + SrcA30 * SrcB03;
Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02 + SrcA31 * SrcB03;
Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01 + SrcA22 * SrcB02 + SrcA32 * SrcB03;
Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12 + SrcA30 * SrcB13;
Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11 + SrcA21 * SrcB12 + SrcA31 * SrcB13;
Result[1][2] = SrcA02 * SrcB10 + SrcA12 * SrcB11 + SrcA22 * SrcB12 + SrcA32 * SrcB13;
Result[2][0] = SrcA00 * SrcB20 + SrcA10 * SrcB21 + SrcA20 * SrcB22 + SrcA30 * SrcB23;
Result[2][1] = SrcA01 * SrcB20 + SrcA11 * SrcB21 + SrcA21 * SrcB22 + SrcA31 * SrcB23;
Result[2][2] = SrcA02 * SrcB20 + SrcA12 * SrcB21 + SrcA22 * SrcB22 + SrcA32 * SrcB23;
return Result;
} }
template<typename T, qualifier Q> template<typename T, qualifier Q>

52
glm/detail/type_mat4x4.inl
View File

@ -647,12 +647,12 @@ namespace glm
typename mat<4, 4, T, Q>::col_type const SrcB2 = m2[2]; typename mat<4, 4, T, Q>::col_type const SrcB2 = m2[2];
typename mat<4, 4, T, Q>::col_type const SrcB3 = m2[3]; typename mat<4, 4, T, Q>::col_type const SrcB3 = m2[3];
mat<4, 4, T, Q> Result; typename mat<4, 4, T, Q>::col_type const tmp0 = glm::fma(SrcA3, splatW(SrcB0), glm::fma(SrcA2, splatZ(SrcB0), glm::fma(SrcA1, splatY(SrcB0), SrcA0 * splatX(SrcB0))));
Result[0] = glm::fma(SrcA3, splatW(SrcB0), glm::fma(SrcA2, splatZ(SrcB0), glm::fma(SrcA1, splatY(SrcB0), SrcA0 * splatX(SrcB0)))); typename mat<4, 4, T, Q>::col_type const tmp1 = glm::fma(SrcA3, splatW(SrcB1), glm::fma(SrcA2, splatZ(SrcB1), glm::fma(SrcA1, splatY(SrcB1), SrcA0 * splatX(SrcB1))));
Result[1] = glm::fma(SrcA3, splatW(SrcB1), glm::fma(SrcA2, splatZ(SrcB1), glm::fma(SrcA1, splatY(SrcB1), SrcA0 * splatX(SrcB1)))); typename mat<4, 4, T, Q>::col_type const tmp2 = glm::fma(SrcA3, splatW(SrcB2), glm::fma(SrcA2, splatZ(SrcB2), glm::fma(SrcA1, splatY(SrcB2), SrcA0 * splatX(SrcB2))));
Result[2] = glm::fma(SrcA3, splatW(SrcB2), glm::fma(SrcA2, splatZ(SrcB2), glm::fma(SrcA1, splatY(SrcB2), SrcA0 * splatX(SrcB2)))); typename mat<4, 4, T, Q>::col_type const tmp3 = glm::fma(SrcA3, splatW(SrcB3), glm::fma(SrcA2, splatZ(SrcB3), glm::fma(SrcA1, splatY(SrcB3), SrcA0 * splatX(SrcB3))));
Result[3] = glm::fma(SrcA3, splatW(SrcB3), glm::fma(SrcA2, splatZ(SrcB3), glm::fma(SrcA1, splatY(SrcB3), SrcA0 * splatX(SrcB3))));
return mat < 4, 4, T, Q > (Result); return mat < 4, 4, T, Q > (tmp0, tmp1, tmp2, tmp3);
} }
}; };
@ -671,36 +671,30 @@ namespace glm
typename mat<4, 4, T, Q>::col_type const& SrcB2 = m2[2]; typename mat<4, 4, T, Q>::col_type const& SrcB2 = m2[2];
typename mat<4, 4, T, Q>::col_type const& SrcB3 = m2[3]; typename mat<4, 4, T, Q>::col_type const& SrcB3 = m2[3];
mat<4, 4, T, Q> Result;
// note: the following lines are decomposed to have consistent results between simd and non simd code (prevent rounding error because of operation order) // note: the following lines are decomposed to have consistent results between simd and non simd code (prevent rounding error because of operation order)
//Result[0] = SrcA3 * SrcB0.w + SrcA2 * SrcB0.z + SrcA1 * SrcB0.y + SrcA0 * SrcB0.x; //Result[0] = SrcA3 * SrcB0.w + SrcA2 * SrcB0.z + SrcA1 * SrcB0.y + SrcA0 * SrcB0.x;
//Result[1] = SrcA3 * SrcB1.w + SrcA2 * SrcB1.z + SrcA1 * SrcB1.y + SrcA0 * SrcB1.x; //Result[1] = SrcA3 * SrcB1.w + SrcA2 * SrcB1.z + SrcA1 * SrcB1.y + SrcA0 * SrcB1.x;
//Result[2] = SrcA3 * SrcB2.w + SrcA2 * SrcB2.z + SrcA1 * SrcB2.y + SrcA0 * SrcB2.x; //Result[2] = SrcA3 * SrcB2.w + SrcA2 * SrcB2.z + SrcA1 * SrcB2.y + SrcA0 * SrcB2.x;
//Result[3] = SrcA3 * SrcB3.w + SrcA2 * SrcB3.z + SrcA1 * SrcB3.y + SrcA0 * SrcB3.x; //Result[3] = SrcA3 * SrcB3.w + SrcA2 * SrcB3.z + SrcA1 * SrcB3.y + SrcA0 * SrcB3.x;
typename mat<4, 4, T, Q>::col_type tmp; typename mat<4, 4, T, Q>::col_type tmp0 = SrcA0 * SrcB0.x;
tmp = SrcA0 * SrcB0.x; tmp0 += SrcA1 * SrcB0.y;
tmp += SrcA1 * SrcB0.y; tmp0 += SrcA2 * SrcB0.z;
tmp += SrcA2 * SrcB0.z; tmp0 += SrcA3 * SrcB0.w;
tmp += SrcA3 * SrcB0.w; typename mat<4, 4, T, Q>::col_type tmp1 = SrcA0 * SrcB1.x;
Result[0] = tmp; tmp1 += SrcA1 * SrcB1.y;
tmp = SrcA0 * SrcB1.x; tmp1 += SrcA2 * SrcB1.z;
tmp += SrcA1 * SrcB1.y; tmp1 += SrcA3 * SrcB1.w;
tmp += SrcA2 * SrcB1.z; typename mat<4, 4, T, Q>::col_type tmp2 = SrcA0 * SrcB2.x;
tmp += SrcA3 * SrcB1.w; tmp2 += SrcA1 * SrcB2.y;
Result[1] = tmp; tmp2 += SrcA2 * SrcB2.z;
tmp = SrcA0 * SrcB2.x; tmp2 += SrcA3 * SrcB2.w;
tmp += SrcA1 * SrcB2.y; typename mat<4, 4, T, Q>::col_type tmp3 = SrcA0 * SrcB3.x;
tmp += SrcA2 * SrcB2.z; tmp3 += SrcA1 * SrcB3.y;
tmp += SrcA3 * SrcB2.w; tmp3 += SrcA2 * SrcB3.z;
Result[2] = tmp; tmp3 += SrcA3 * SrcB3.w;
tmp = SrcA0 * SrcB3.x;
tmp += SrcA1 * SrcB3.y;
tmp += SrcA2 * SrcB3.z;
tmp += SrcA3 * SrcB3.w;
Result[3] = tmp;
return Result; return mat<4, 4, T, Q>(tmp0, tmp1, tmp2, tmp3);
} }
}; };
} }