1 files changed, 85 insertions, 0 deletions
diff --git a/src/libs/dxvk-native-1.9.2a/src/util/util_matrix.h b/src/libs/dxvk-native-1.9.2a/src/util/util_matrix.h
new file mode 100644
index 00000000..98f260f8
--- /dev/null
+++ b/src/libs/dxvk-native-1.9.2a/src/util/util_matrix.h
@@ -0,0 +1,85 @@
+#pragma once
+
+#include "util_vector.h"
+
+namespace dxvk {
+
+  class Matrix4 {
+
+    public:
+
+    // Identity
+    inline Matrix4() {
+      data[0] = { 1, 0, 0, 0 };
+      data[1] = { 0, 1, 0, 0 };
+      data[2] = { 0, 0, 1, 0 };
+      data[3] = { 0, 0, 0, 1 };
+    }
+
+    // Produces a scalar matrix, x * Identity
+    inline explicit Matrix4(float x) {
+      data[0] = { x, 0, 0, 0 };
+      data[1] = { 0, x, 0, 0 };
+      data[2] = { 0, 0, x, 0 };
+      data[3] = { 0, 0, 0, x };
+    }
+
+    inline Matrix4(
+      const Vector4& v0,
+      const Vector4& v1,
+      const Vector4& v2,
+      const Vector4& v3) {
+      data[0] = v0;
+      data[1] = v1;
+      data[2] = v2;
+      data[3] = v3;
+    }
+
+    inline Matrix4(const float matrix[4][4]) {
+      data[0] = Vector4(matrix[0]);
+      data[1] = Vector4(matrix[1]);
+      data[2] = Vector4(matrix[2]);
+      data[3] = Vector4(matrix[3]);
+    }
+
+    Matrix4(const Matrix4& other) = default;
+
+    Vector4& operator[](size_t index);
+    const Vector4& operator[](size_t index) const;
+
+    bool operator==(const Matrix4& m2) const;
+    bool operator!=(const Matrix4& m2) const;
+
+    Matrix4 operator+(const Matrix4& other) const;
+    Matrix4 operator-(const Matrix4& other) const;
+
+    Matrix4 operator*(const Matrix4& m2) const;
+    Vector4 operator*(const Vector4& v) const;
+    Matrix4 operator*(float scalar) const;
+
+    Matrix4 operator/(float scalar) const;
+
+    Matrix4& operator+=(const Matrix4& other);
+    Matrix4& operator-=(const Matrix4& other);
+
+    Matrix4& operator*=(const Matrix4& other);
+
+    Vector4 data[4];
+
+  };
+
+  static_assert(sizeof(Matrix4) == sizeof(Vector4) * 4);
+
+  inline Matrix4 operator*(float scalar, const Matrix4& m) { return m * scalar; }
+
+  Matrix4 transpose(const Matrix4& m);
+
+  float determinant(const Matrix4& m);
+
+  Matrix4 inverse(const Matrix4& m);
+
+  Matrix4 hadamardProduct(const Matrix4& a, const Matrix4& b);
+
+  std::ostream& operator<<(std::ostream& os, const Matrix4& m);
+
+}
+\ No newline at end of file