Added const version for the operator[] in Matrix (shader-slang#6186)

McNopper · csyonghe · web-flow · commit a5b1aa08e05e · 2025-01-28T11:10:12.000Z
Co-authored-by: Yong He &lt;yonghe@outlook.com&gt;
diff --git a/prelude/slang-cpp-types-core.h b/prelude/slang-cpp-types-core.h
@@ -392,6 +392,7 @@ template<typename T, int ROWS, int COLS>
 struct Matrix
 {
     Vector<T, COLS> rows[ROWS];
+    const Vector<T, COLS>& operator[](size_t index) const { return rows[index]; }
     Vector<T, COLS>& operator[](size_t index) { return rows[index]; }
     Matrix() = default;
     Matrix(T scalar)

Original file line number	Diff line number	Diff line change
`@@ -392,6 +392,7 @@ template<typename T, int ROWS, int COLS>`
`392`	`392`	`struct Matrix`
`393`	`393`	`{`
`394`	`394`	`Vector<T, COLS> rows[ROWS];`
	`395`	`+ const Vector<T, COLS>& operator[](size_t index) const { return rows[index]; }`
`395`	`396`	`Vector<T, COLS>& operator[](size_t index) { return rows[index]; }`
`396`	`397`	`Matrix() = default;`
`397`	`398`	`Matrix(T scalar)`