WIP fp16 test

Author: kmpeng

test/Feature/HLSLLib/dot.fp16.test

@@ -0,0 +1,81 @@
+#--- source.hlsl
+StructuredBuffer<half4> X : register(t0);
+StructuredBuffer<half4> Y : register(t1);
+
+RWStructuredBuffer<half> Out : register(u2);
+
+
+[numthreads(1,1,1)]
+void main() {
+  Out[0] = dot(X[0].x, Y[0].x);
+  Out[1] = dot(X[0].xy, Y[0].xy);
+  Out[2] = dot(X[0].xyz, Y[0].xyz);
+  Out[3] = dot(X[0], Y[0]);
+
+  Out[4] = dot(X[1].x, Y[1].x);
+  Out[5] = dot(X[1].xy, Y[1].xy);
+  Out[6] = dot(X[1].xyz, Y[1].xyz);
+  Out[7] = dot(X[1], Y[1]);
+}
+//--- pipeline.yaml
+
+---
+Shaders:
+  - Stage: Compute
+    Entry: main
+    DispatchSize: [1, 1, 1]
+Buffers:
+  - Name: X
+    Format: Float16
+    Stride: 8
+    Data: [ 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0xc900, 0x0000, 0x0000, 0x4900 ]
+    # [ 1, 1, 1, 1, -10, 0, 0, 10 ]
+  - Name: Y
+    Format: Float16
+    Stride: 8
+    Data: [ 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x4900, 0x0000, 0x0000, 0x4900 ]
+    # [ 1, 1, 1, 1, 10, 0, 0, 10 ]
+  - Name: Out
+    Format: Float16
+    Stride: 8
+    ZeroInitSize: 16
+  - Name: ExpectedOut
+    Format: Float16
+    Stride: 8
+    Data: [ 0x3C00, 0x4000, 0x4200, 0x4400, 0xd640, 0xd640, 0xd640, 0x0000 ]
+    # [ 1, 2, 3, 4, -100, -100, -100, 0 ]
+Results:
+  - Result: Test1
+    Rule: BufferFloatEpsilon
+    Epsilon: 0.0008
+    Actual: Out
+    Expected: ExpectedOut
+DescriptorSets:
+  - Resources:
+    - Name: X
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 0
+        Space: 0
+      VulkanBinding:
+        Binding: 0
+    - Name: Y
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 1
+        Space: 0
+      VulkanBinding:
+        Binding: 1
+    - Name: Out
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 2
+        Space: 0
+      VulkanBinding:
+        Binding: 2
+#--- end
+
+# REQUIRES: Half
+# RUN: split-file %s %t
+# RUN: %dxc_target -enable-16bit-types -T cs_6_5 -Fo %t.o %t/source.hlsl
+# RUN: %offloader %t/pipeline.yaml %t.o