From 6f7c8271710b43349d34b8f7569ceb6957400548 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 12 Mar 2024 19:31:25 -0700
Subject: Fix `sessionDesc.defaultMatrixLayoutMode` being ineffective. (#3753)

* Fix `sessionDesc.defaultMatrixLayoutMode` being ineffective.

* Fix matrix layout in buffer pointer.

* Attempt to fix.

* Fix buffer element type lowering for buffer pointers.

* Add comment.

* Fix test.

* Fix member lookup in `Ref<T>`.

* Fix validation error.

* Enhance test.
---
 tests/front-end/typedef-matrix.slang | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 tests/front-end/typedef-matrix.slang

(limited to 'tests/front-end')

diff --git a/tests/front-end/typedef-matrix.slang b/tests/front-end/typedef-matrix.slang
new file mode 100644
index 000000000..81188f806
--- /dev/null
+++ b/tests/front-end/typedef-matrix.slang
@@ -0,0 +1,13 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -emit-spirv-directly -entry main -stage compute -matrix-layout-row-major
+
+// CHECK: ColMajor
+
+typedef column_major float3x4 Mat;
+
+RWStructuredBuffer<float> output;
+
+[numthreads(1,1,1)]
+void main(uniform Mat m)
+{
+    output[0] = m[0][0];
+}
\ No newline at end of file
-- 
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