From 76b9ff6e65b4bd2be04a5bab0eb1464455c4b3ff Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Mon, 16 Mar 2020 15:01:21 -0400
Subject: CUDA support of MultiPrefix Wave intrinsics. (#1275)

Support for cs_6_5 cand cs_6_4 in profile
Added wave-multi-prefix.slang etst
---
 tests/hlsl-intrinsic/wave-multi-prefix.slang       | 26 ++++++++++++++++++++++
 .../wave-multi-prefix.slang.expected.txt           |  8 +++++++
 2 files changed, 34 insertions(+)
 create mode 100644 tests/hlsl-intrinsic/wave-multi-prefix.slang
 create mode 100644 tests/hlsl-intrinsic/wave-multi-prefix.slang.expected.txt

(limited to 'tests')

diff --git a/tests/hlsl-intrinsic/wave-multi-prefix.slang b/tests/hlsl-intrinsic/wave-multi-prefix.slang
new file mode 100644
index 000000000..3eee16e31
--- /dev/null
+++ b/tests/hlsl-intrinsic/wave-multi-prefix.slang
@@ -0,0 +1,26 @@
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute 
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
+// We need SM6.5 for these tests
+// Disable because version of dxc we are currently using doesn't support SM6.5
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -use-dxil -profile sm_6_5
+// Disabled because we don't have GLSL intrinsics for these it seems 
+//DISABLE_TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute
+//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+[numthreads(8, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    int idx = int(dispatchThreadID.x);
+    
+    int value = 0;
+    
+    uint4 mask = WaveMatch(true);
+    
+    // Scalar
+    value += WaveMultiPrefixSum(1 << idx, mask);
+    
+    outputBuffer[idx] = value;
+}
\ No newline at end of file
diff --git a/tests/hlsl-intrinsic/wave-multi-prefix.slang.expected.txt b/tests/hlsl-intrinsic/wave-multi-prefix.slang.expected.txt
new file mode 100644
index 000000000..6ec6deeea
--- /dev/null
+++ b/tests/hlsl-intrinsic/wave-multi-prefix.slang.expected.txt
@@ -0,0 +1,8 @@
+0
+1
+3
+7
+F
+1F
+3F
+7F
-- 
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