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Added embedded SSE opetimizations in mat4 code
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@ -32,13 +32,11 @@
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#define GLM_MESSAGES
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#include "../glm.hpp"
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/*
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*/
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int main()
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{
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//auto d = 90.0_deg;
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glm::mat4 A(1.0f);
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glm::vec4 B(1.0f);
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glm::vec4 C = A * B;
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//glm::vec3 v{0, 1, 2};
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return 0;
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}
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@ -708,11 +708,44 @@ namespace detail
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typename tmat4x4<T, P>::row_type const & v
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)
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{
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__m128 v0 = _mm_shuffle_ps(v.data, v.data, _MM_SHUFFLE(0, 0, 0, 0));
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__m128 v1 = _mm_shuffle_ps(v.data, v.data, _MM_SHUFFLE(1, 1, 1, 1));
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__m128 v2 = _mm_shuffle_ps(v.data, v.data, _MM_SHUFFLE(2, 2, 2, 2));
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__m128 v3 = _mm_shuffle_ps(v.data, v.data, _MM_SHUFFLE(3, 3, 3, 3));
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__m128 m0 = _mm_mul_ps(m[0].data, v0);
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__m128 m1 = _mm_mul_ps(m[1].data, v1);
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__m128 a0 = _mm_add_ps(m0, m1);
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__m128 m2 = _mm_mul_ps(m[2].data, v2);
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__m128 m3 = _mm_mul_ps(m[3].data, v3);
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__m128 a1 = _mm_add_ps(m2, m3);
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__m128 a2 = _mm_add_ps(a0, a1);
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return typename tmat4x4<T, P>::col_type(a2);
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/*
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tmat4x4<T, P>::col_type const Mov0(v[0]);
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tmat4x4<T, P>::col_type const Mov1(v[1]);
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tmat4x4<T, P>::col_type const Mul0 = m[0] * Mov0;
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tmat4x4<T, P>::col_type const Mul1 = m[1] * Mov1;
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tmat4x4<T, P>::col_type const Add0 = Mul0 * Mul1;
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tmat4x4<T, P>::col_type const Mov2(v[2]);
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tmat4x4<T, P>::col_type const Mov3(v[3]);
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tmat4x4<T, P>::col_type const Mul2 = m[2] * Mov2;
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tmat4x4<T, P>::col_type const Mul3 = m[3] * Mov3;
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tmat4x4<T, P>::col_type const Add1 = Mul2 * Mul3;
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tmat4x4<T, P>::col_type const Add2 = Add0 * Add1;
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return Add2;
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*/
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/*
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return typename tmat4x4<T, P>::col_type(
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m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * v.w,
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m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * v.w,
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m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2] * v.w,
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m[0][3] * v.x + m[1][3] * v.y + m[2][3] * v.z + m[3][3] * v.w);
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m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2] + m[3][0] * v[3],
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m[0][1] * v[0] + m[1][1] * v[1] + m[2][1] * v[2] + m[3][1] * v[3],
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m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2] + m[3][2] * v[3],
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m[0][3] * v[0] + m[1][3] * v[1] + m[2][3] * v[2] + m[3][3] * v[3]);
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*/
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}
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template <typename T, precision P>
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@ -723,10 +756,10 @@ namespace detail
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)
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{
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return typename tmat4x4<T, P>::row_type(
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m[0][0] * v.x + m[0][1] * v.y + m[0][2] * v.z + m[0][3] * v.w,
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m[1][0] * v.x + m[1][1] * v.y + m[1][2] * v.z + m[1][3] * v.w,
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m[2][0] * v.x + m[2][1] * v.y + m[2][2] * v.z + m[2][3] * v.w,
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m[3][0] * v.x + m[3][1] * v.y + m[3][2] * v.z + m[3][3] * v.w);
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m[0][0] * v[0] + m[0][1] * v[1] + m[0][2] * v[2] + m[0][3] * v[3],
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m[1][0] * v[0] + m[1][1] * v[1] + m[1][2] * v[2] + m[1][3] * v[3],
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m[2][0] * v[0] + m[2][1] * v[1] + m[2][2] * v[2] + m[2][3] * v[3],
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m[3][0] * v[0] + m[3][1] * v[1] + m[3][2] * v[2] + m[3][3] * v[3]);
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}
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template <typename T, precision P>
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@ -69,6 +69,7 @@ namespace detail
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struct {value_type r, g, b, a;};
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struct {value_type s, t, p, q;};
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struct {value_type x, y, z, w;};
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__m128 data;
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};
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# elif(GLM_COMPONENT == GLM_COMPONENT_CXX98)
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union {value_type x, r, s;};
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@ -115,6 +116,8 @@ namespace detail
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value_type const & s1,
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value_type const & s2,
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value_type const & s3);
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GLM_FUNC_DECL explicit tvec4(
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__m128 const & v);
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//////////////////////////////////////
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// Convertion scalar constructors
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@ -115,6 +115,14 @@ namespace detail
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w(s4)
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{}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER tvec4<T, P>::tvec4
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(
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__m128 const & v
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) :
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data(v)
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{}
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//////////////////////////////////////
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// Swizzle constructors
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