add tests for rcp (#269)

add 16, 32, and 64 bit float tests for rcp
closes #127

Author: spall

test/Feature/HLSLLib/rcp.16.test

@@ -0,0 +1,71 @@
+#--- source.hlsl
+
+StructuredBuffer<half4> In : register(t0);
+
+RWStructuredBuffer<half4> Out : register(u1);
+
+[numthreads(1,1,1)]
+void main() {
+  Out[0] = rcp(In[0]);
+  half4 Tmp = {rcp(In[1].xyz), rcp(In[1].w)};
+  Out[1] = Tmp;
+  half4 Tmp2 = {rcp(In[2].xy), rcp(In[2].zw)};
+  Out[2] = Tmp2;
+  Out[3] = rcp(half4(1, 10, 0.2, -4));
+}
+
+
+//--- pipeline.yaml
+
+---
+Shaders:
+  - Stage: Compute
+    Entry: main
+    DispatchSize: [1, 1, 1]
+Buffers:
+  - Name: In
+    Format: Float16
+    Stride: 8
+    Data: [ 0x4200, 0x4900, 0x3c00, 0xbc00, 0x4100, 0xb400, 0x4000, 0x3800, 0x4100, 0xb400, 0x4000, 0x3800]
+    #  3, 10, 1, -1, 2.5, -0.25, 2, 0.5, 2.5, -0.25, 2, 0.5
+  - Name: Out
+    Format: Float16
+    Stride: 8
+    ZeroInitSize: 32
+  - Name: ExpectedOut # The result we expect
+    Format: Float16
+    Stride: 8
+    Data: [0x3555, 0x2e66, 0x3c00, 0xbc00, 0x3666, 0xc400, 0x3800, 0x4000, 0x3666, 0xc400, 0x3800, 0x4000, 0x3c00, 0x2e66, 0x4500, 0xb400]
+    # 0.333, 0.1, 1, -1, 0.4, -4, 0.5, 2, 0.4, -4, 0.5, 2, 1, 0.1, 5, -0.25
+Results:
+  - Result: Test1
+    Rule: BufferFloatEpsilon
+    Epsilon: 0.0008
+    Actual: Out
+    Expected: ExpectedOut
+DescriptorSets:
+  - Resources:
+    - Name: In
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 0
+        Space: 0
+      VulkanBinding:
+        Binding: 0
+    - Name: Out
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 1
+        Space: 0
+      VulkanBinding:
+        Binding: 1
+...
+#--- end
+
+# https://github.com/llvm/llvm-project/issues/149561
+# XFAIL: Clang-Vulkan
+
+# 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

test/Feature/HLSLLib/rcp.32.test

@@ -0,0 +1,68 @@
+#--- source.hlsl
+
+StructuredBuffer<float4> In : register(t0);
+
+RWStructuredBuffer<float4> Out : register(u1);
+
+[numthreads(1,1,1)]
+void main() {
+  Out[0] = rcp(In[0]);
+  float4 Tmp = {rcp(In[1].xyz), rcp(In[1].w)};
+  Out[1] = Tmp;
+  float4 Tmp2 = {rcp(In[2].xy), rcp(In[2].zw)};
+  Out[2] = Tmp2;
+  Out[3] = rcp(float4(1, 10, 0.2, -4));
+}
+
+
+//--- pipeline.yaml
+
+---
+Shaders:
+  - Stage: Compute
+    Entry: main
+    DispatchSize: [1, 1, 1]
+Buffers:
+  - Name: In
+    Format: Float32
+    Stride: 16
+    Data: [3, 10, 1, -1, 2.5, -0.25, 2, 0.5, 2.5, -0.25, 2, 0.432]
+  - Name: Out
+    Format: Float32
+    Stride: 16
+    ZeroInitSize: 64
+  - Name: ExpectedOut # The result we expect
+    Format: Float32
+    Stride: 16
+    Data: [0.333333, 0.1, 1, -1, 0.4, -4 , 0.5, 2, 0.4, -4 , 0.5, 2.31481481481, 1, 0.1, 5, -0.25]
+Results:
+  - Result: Test1
+    Rule: BufferFloatEpsilon
+    Epsilon: 0.0008
+    Actual: Out
+    Expected: ExpectedOut
+DescriptorSets:
+  - Resources:
+    - Name: In
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 0
+        Space: 0
+      VulkanBinding:
+        Binding: 0
+    - Name: Out
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 1
+        Space: 0
+      VulkanBinding:
+        Binding: 1
+...
+#--- end
+
+# https://github.com/llvm/llvm-project/issues/149561
+# XFAIL: Clang-Vulkan
+
+# RUN: split-file %s %t
+# RUN: %dxc_target -T cs_6_5 -Fo %t.o %t/source.hlsl
+# RUN: %offloader %t/pipeline.yaml %t.o

test/Feature/HLSLLib/rcp.64.test

@@ -0,0 +1,69 @@
+#--- source.hlsl
+
+StructuredBuffer<double4> In : register(t0);
+
+RWStructuredBuffer<double4> Out : register(u1);
+
+[numthreads(1,1,1)]
+void main() {
+  Out[0] = rcp(In[0]);
+  double4 Tmp = {rcp(In[1].xyz), rcp(In[1].w)};
+  Out[1] = Tmp;
+  double4 Tmp2 = {rcp(In[2].xy), rcp(In[2].zw)};
+  Out[2] = Tmp2;
+  Out[3] = rcp(double4(1, 10, 0.2, -4));
+}
+
+
+//--- pipeline.yaml
+
+---
+Shaders:
+  - Stage: Compute
+    Entry: main
+    DispatchSize: [1, 1, 1]
+Buffers:
+  - Name: In
+    Format: Float64
+    Stride: 32
+    Data: [ 3, 10, 1, -1, 2.5, -0.25, 2, 0.5, 2.5, -0.25, 2, 0.432]
+  - Name: Out
+    Format: Float64
+    Stride: 32
+    ZeroInitSize: 128
+  - Name: ExpectedOut # The result we expect
+    Format: Float64
+    Stride: 32
+    Data: [ 0.333333, 0.1, 1, -1, 0.4, -4, 0.5, 2, 0.4, -4, 0.5, 2.31481, 1, 0.1, 5, -0.25 ]
+Results:
+  - Result: Test1
+    Rule: BufferFloatEpsilon
+    Epsilon: 0.0008
+    Actual: Out
+    Expected: ExpectedOut
+DescriptorSets:
+  - Resources:
+    - Name: In
+      Kind: StructuredBuffer
+      DirectXBinding:
+        Register: 0
+        Space: 0
+      VulkanBinding:
+        Binding: 0
+    - Name: Out
+      Kind: RWStructuredBuffer
+      DirectXBinding:
+        Register: 1
+        Space: 0
+      VulkanBinding:
+        Binding: 1
+...
+#--- end
+
+# https://github.com/llvm/llvm-project/issues/149561
+# XFAIL: Clang-Vulkan
+
+# REQUIRES: Double
+# RUN: split-file %s %t
+# RUN: %dxc_target -T cs_6_5 -Fo %t.o %t/source.hlsl
+# RUN: %offloader %t/pipeline.yaml %t.o