From fdf061e278720ec066a1fac8f1f35a22e817bf2d Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 21 Nov 2024 14:07:23 -0800
Subject: Add datalayout for constant buffers. (#5608)

* Add datalayout for constant buffers.

* Fixes.

* Fix test.

* Fix glsl codegen.

* Update spirv-specific doc.

* Fix test.

* Fix binding in the presense of specialization constants.

* address comments.

* Add a test for constant buffer layout.
---
 tests/spirv/push-constant-layout.slang | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/spirv/push-constant-layout.slang

(limited to 'tests/spirv/push-constant-layout.slang')

diff --git a/tests/spirv/push-constant-layout.slang b/tests/spirv/push-constant-layout.slang
new file mode 100644
index 000000000..eb7d80f75
--- /dev/null
+++ b/tests/spirv/push-constant-layout.slang
@@ -0,0 +1,26 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -fvk-use-entrypoint-name
+// CHECK-NOT: std140
+struct Transform
+{
+    float4 Tint;
+    float2x2 ScaleRot;
+    float2 Translation;
+};
+
+[[vk::push_constant]]
+ConstantBuffer<Transform> transform1;
+
+RWStructuredBuffer<float> outputBuffer;
+
+[numthreads(1,1,1)]
+void computeMain1()
+{
+    outputBuffer[0] = transform1.Translation.x;
+}
+
+[numthreads(1,1,1)]
+void computeMain2(
+    [vk::push_constant] ConstantBuffer<Transform> transform2)
+{
+    outputBuffer[0] = transform2.Translation.x;
+}
\ No newline at end of file
-- 
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