From d0b6a0b1ab49b5958015f31364c5ad73d9cd03eb Mon Sep 17 00:00:00 2001
From: Darren Wihandi <65404740+fairywreath@users.noreply.github.com>
Date: Tue, 15 Apr 2025 15:57:45 -0600
Subject: Add cooperative matrix 1 support (#6565)

* initial wip for spirv

* working tiled example

* clean up store and load

* minor fixes

* fix loadAny name

* add initial tests, including broken/unimplemented intrinsics

* fix subscript

* run tests at 16x16, remove not supported arithmetic tests

* minor fixups on implementation

* rename CoopMatMatrixUse

* Update tests to pass validation layers locally

* Add mat-mul-add test and minor fixes

* Add more tests

* Remove dead code

* Add coopMatLoad function and tests, enforce constexpr for matrix layout

* Use getVectorOrCoopMatrixElementType in place of getVectorElementType
---
 tests/cooperative-matrix/array.slang | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 tests/cooperative-matrix/array.slang

(limited to 'tests/cooperative-matrix/array.slang')

diff --git a/tests/cooperative-matrix/array.slang b/tests/cooperative-matrix/array.slang
new file mode 100644
index 000000000..b46c0f66b
--- /dev/null
+++ b/tests/cooperative-matrix/array.slang
@@ -0,0 +1,36 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -output-using-type -emit-spirv-directly
+
+// CHECK: type: float
+// CHECK: 1.000000
+// CHECK-NEXT: 2.000000
+// CHECK-NEXT: 3.000000
+// CHECK-NEXT: 4.000000
+// CHECK-NEXT: 5.000000
+// CHECK-NEXT: 6.000000
+// CHECK-NEXT: 7.000000
+// CHECK-NEXT: 8.000000
+
+//TEST_INPUT:ubuffer(data=[1.0 2.0 3.0 4.0], stride=256),name=input1
+ByteAddressBuffer input1;
+
+//TEST_INPUT:ubuffer(data=[5.0 6.0 7.0 8.0], stride=256),name=input1
+ByteAddressBuffer input2;
+
+//TEST_INPUT:ubuffer(stride=4, count=256):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+typealias CoopMatType = CoopMat<float, CoopMatScope::Subgroup, 16, 16, CoopMatMatrixUse::MatrixAccumulator>;
+
+[numthreads(32, 1, 1)]
+void computeMain()
+{
+    let stride = 16;
+    let matrixLayout = CoopMatMatrixLayout::RowMajor;
+
+    CoopMatType coopMatArray[2];
+    coopMatArray[0] = CoopMatType.load(input1, 0, stride, matrixLayout);
+    coopMatArray[1] = CoopMatType.load(input2, 0, stride, matrixLayout);
+
+    coopMatArray[0].store(outputBuffer, 0, stride, matrixLayout);
+    coopMatArray[1].store(outputBuffer, 4, stride, matrixLayout);
+}
-- 
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