mirror of https://github.com/doitsujin/dxvk
86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
#pragma once
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#include "util_vector.h"
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namespace dxvk {
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class Matrix4 {
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public:
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// Identity
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inline Matrix4() {
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data[0] = { 1, 0, 0, 0 };
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data[1] = { 0, 1, 0, 0 };
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data[2] = { 0, 0, 1, 0 };
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data[3] = { 0, 0, 0, 1 };
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}
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// Produces a scalar matrix, x * Identity
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inline explicit Matrix4(float x) {
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data[0] = { x, 0, 0, 0 };
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data[1] = { 0, x, 0, 0 };
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data[2] = { 0, 0, x, 0 };
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data[3] = { 0, 0, 0, x };
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}
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inline Matrix4(
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const Vector4& v0,
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const Vector4& v1,
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const Vector4& v2,
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const Vector4& v3) {
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data[0] = v0;
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data[1] = v1;
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data[2] = v2;
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data[3] = v3;
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}
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inline Matrix4(const float matrix[4][4]) {
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data[0] = Vector4(matrix[0]);
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data[1] = Vector4(matrix[1]);
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data[2] = Vector4(matrix[2]);
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data[3] = Vector4(matrix[3]);
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}
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Matrix4(const Matrix4& other) = default;
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Matrix4& operator=(const Matrix4& other) = default;
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Vector4& operator[](size_t index);
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const Vector4& operator[](size_t index) const;
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bool operator==(const Matrix4& m2) const;
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bool operator!=(const Matrix4& m2) const;
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Matrix4 operator+(const Matrix4& other) const;
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Matrix4 operator-(const Matrix4& other) const;
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Matrix4 operator*(const Matrix4& m2) const;
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Vector4 operator*(const Vector4& v) const;
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Matrix4 operator*(float scalar) const;
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Matrix4 operator/(float scalar) const;
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Matrix4& operator+=(const Matrix4& other);
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Matrix4& operator-=(const Matrix4& other);
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Matrix4& operator*=(const Matrix4& other);
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Vector4 data[4];
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};
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static_assert(sizeof(Matrix4) == sizeof(Vector4) * 4);
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inline Matrix4 operator*(float scalar, const Matrix4& m) { return m * scalar; }
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Matrix4 transpose(const Matrix4& m);
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float determinant(const Matrix4& m);
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Matrix4 inverse(const Matrix4& m);
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Matrix4 hadamardProduct(const Matrix4& a, const Matrix4& b);
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std::ostream& operator<<(std::ostream& os, const Matrix4& m);
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} |