4 files changed, 67 insertions, 0 deletions
diff --git a/tests/compute/atomics-groupshared.slang b/tests/compute/atomics-groupshared.slang
new file mode 100644
index 000000000..7ac6809eb
--- /dev/null
+++ b/tests/compute/atomics-groupshared.slang
@@ -0,0 +1,35 @@
+// atomics-groupshared.slang
+
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):dxbinding(0),glbinding(0),out
+
+RWStructuredBuffer<uint> outputBuffer;
+
+groupshared uint shared[4];
+
+uint test(uint val)
+{
+    uint originalValue;
+
+    outputBuffer[val] = 0;
+
+    GroupMemoryBarrierWithGroupSync();
+
+	InterlockedAdd(outputBuffer[val], 		val, 		originalValue);
+	InterlockedAdd(outputBuffer[val ^ 1], 	val*16, 	originalValue);
+	InterlockedAdd(outputBuffer[val ^ 2], 	val*16*16, 	originalValue);
+
+    GroupMemoryBarrierWithGroupSync();
+
+    return outputBuffer[val];
+}
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    uint tid = dispatchThreadID.x;
+    uint val = test(tid);
+    outputBuffer[tid] = val;
+}
+\ No newline at end of file
diff --git a/tests/compute/atomics-groupshared.slang.expected.txt b/tests/compute/atomics-groupshared.slang.expected.txt
new file mode 100644
index 000000000..30966f0df
--- /dev/null
+++ b/tests/compute/atomics-groupshared.slang.expected.txt
@@ -0,0 +1,4 @@
+210
+301
+ 32
+123
diff --git a/tests/compute/atomics.slang b/tests/compute/atomics.slang
new file mode 100644
index 000000000..b769be5d7
--- /dev/null
+++ b/tests/compute/atomics.slang
@@ -0,0 +1,24 @@
+// atomics.slang
+
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):dxbinding(0),glbinding(0),out
+
+RWStructuredBuffer<uint> outputBuffer;
+
+void test(uint val)
+{
+    uint originalValue;
+
+	InterlockedAdd(outputBuffer[val], 		val, 		originalValue);
+	InterlockedAdd(outputBuffer[val ^ 1], 	val*16, 	originalValue);
+	InterlockedAdd(outputBuffer[val ^ 2], 	val*16*16, 	originalValue);
+}
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    uint tid = dispatchThreadID.x;
+    test(tid);
+}
+\ No newline at end of file
diff --git a/tests/compute/atomics.slang.expected.txt b/tests/compute/atomics.slang.expected.txt
new file mode 100644
index 000000000..30966f0df
--- /dev/null
+++ b/tests/compute/atomics.slang.expected.txt
@@ -0,0 +1,4 @@
+210
+301
+ 32
+123