From bff9c46bb0811becca8ffe3feacd79526e3227a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20GUEZO?= <loicguezo@gmail.com>
Date: Tue, 29 Jul 2025 22:54:35 +0200
Subject: [PATCH] feat(mat4): add transpose function (not yet SIMD)

---
 src/math/mat4.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/math/mat4.c b/src/math/mat4.c
index 2d38326..2375184 100644
--- a/src/math/mat4.c
+++ b/src/math/mat4.c
@@ -227,7 +227,22 @@ Mat4f_t mat4_mul(const Mat4f_t* m1, const Mat4f_t* m2)
     return mout;
 }
 
-Mat4f_t* mat4_tpo_r(Mat4f_t *__restrict m)
+Mat4f_t* mat4_tpo_r(Mat4f_t *__restrict out)
 {
-    return m;    
+    Mat4f_t clone = mat4f_clone(out);
+    
+    for(int i = 0; i < MAT_DIM; i++) {
+#if defined (SIMD_X86)
+
+
+#elif defined (SIMD_ARCH)
+#else
+        int dim_i = i * MAT_DIM;
+
+        for (int j = 0; j < MAT_DIM; j++) {
+            out->m[dim_i + j] = clone.m[(j * MAT_DIM) + i];
+        }
+#endif
+    }
+    return out;    
 }
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