diff --git a/com.unity.render-pipelines.core/Runtime/Utilities/CoreMatrixUtils.cs b/com.unity.render-pipelines.core/Runtime/Utilities/CoreMatrixUtils.cs
index e1f3eb1c8a8..21f4f2f06e1 100644
--- a/com.unity.render-pipelines.core/Runtime/Utilities/CoreMatrixUtils.cs
+++ b/com.unity.render-pipelines.core/Runtime/Utilities/CoreMatrixUtils.cs
@@ -55,6 +55,7 @@ public static void TranslationTimesMatrix(ref Matrix4x4 inOutMatrix, Vector3 tra
///
/// The perspective matrix to multiply with rhs.
/// A matrix to be multiply to perspective.
+ /// Returns the matrix that is the result of the multiplication.
public static Matrix4x4 MultiplyPerspectiveMatrix(Matrix4x4 perspective, Matrix4x4 rhs)
{
Matrix4x4 outMat;
@@ -141,6 +142,7 @@ private static Matrix4x4 MultiplyGenericOrthoMatrix(Matrix4x4 ortho, Matrix4x4 r
/// The ortho matrix to multiply with rhs.
/// A matrix to be multiply to perspective.
/// If true, it means that right and left are equivalently distant from center and similarly top/bottom are equivalently distant from center.
+ /// Returns the matrix that is the result of the multiplication.
public static Matrix4x4 MultiplyOrthoMatrix(Matrix4x4 ortho, Matrix4x4 rhs, bool centered)
{
return centered ? MultiplyGenericOrthoMatrix(ortho, rhs) : MultiplyOrthoMatrixCentered(ortho, rhs);
@@ -154,6 +156,7 @@ public static Matrix4x4 MultiplyOrthoMatrix(Matrix4x4 ortho, Matrix4x4 rhs, bool
/// The projection matrix to multiply with rhs.
/// A matrix to be multiply to perspective.
/// If true, the projection matrix is a centered ( right+left == top+bottom == 0) orthographic projection, otherwise it is a perspective matrix..
+ /// Returns the matrix that is the result of the multiplication.
public static Matrix4x4 MultiplyProjectionMatrix(Matrix4x4 projMatrix, Matrix4x4 rhs, bool orthoCentered)
{
return orthoCentered