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

1 files changed, 41 insertions, 0 deletions

diff --git a/tests/cooperative-matrix/load-store-arbitrary-array.slang b/tests/cooperative-matrix/load-store-arbitrary-array.slang
new file mode 100644
index 000000000..496e62387
--- /dev/null
+++ b/tests/cooperative-matrix/load-store-arbitrary-array.slang
@@ -0,0 +1,41 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -emit-spirv-directly
+
+// CHECK: 1
+// CHECK-NEXT: 2
+// CHECK-NEXT: 3
+// CHECK-NEXT: 4
+// CHECK-NEXT: 5
+// CHECK-NEXT: 6
+// CHECK-NEXT: 7
+// CHECK-NEXT: 8
+// CHECK-NEXT: 9
+// CHECK-NEXT: A
+// CHECK-NEXT: B
+// CHECK-NEXT: C
+// CHECK-NEXT: D
+// CHECK-NEXT: E
+// CHECK-NEXT: F
+// CHECK-NEXT: 10
+
+//TEST_INPUT:ubuffer(data=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16], stride=4, count=256):name=input
+RWByteAddressBuffer input;
+
+//TEST_INPUT:ubuffer(stride=4, count=256):out,name=outputBuffer
+RWStructuredBuffer<uint32_t> outputBuffer;
+
+typealias CoopMatType = CoopMat<uint32_t, CoopMatScope::Subgroup, 16, 16, CoopMatMatrixUse::MatrixAccumulator>;
+
+groupshared float[256] tempShared;
+
+[numthreads(32, 1, 1)]
+void computeMain()
+{
+    let stride = 16;
+    let matrixLayout = CoopMatMatrixLayout::RowMajor;
+
+    let mat = coopMatLoad<uint32_t, CoopMatScope::Subgroup, 16, 16, CoopMatMatrixUse::MatrixAccumulator>(input, 0, stride, matrixLayout);
+    mat.storeAny(tempShared, 0, stride, matrixLayout);
+
+    let result = CoopMatType.loadAny(tempShared, 0, stride, matrixLayout);
+    result.store(outputBuffer, 0, stride, matrixLayout);
+}