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kmpengkmpeng
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Add lerp tests (#374)
Closes #134. Adds tests for `lerp` testing `half` and `float`.
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‎test/Feature/HLSLLib/lerp.16.test‎

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#--- source.hlsl
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StructuredBuffer<half4> X : register(t0);
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StructuredBuffer<half4> Y : register(t1);
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StructuredBuffer<half4> S : register(t2);
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RWStructuredBuffer<half4> Out : register(u3);
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[numthreads(1,1,1)]
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void main() {
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Out[0] = lerp(X[0], Y[0], S[0]);
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Out[1] = half4(lerp(X[1].xyz, Y[1].xyz, S[1].xyz), lerp(X[1].w, Y[1].w, S[1].w));
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Out[2] = half4(lerp(X[2].xy, Y[2].xy, S[2].xy), lerp(X[2].zw, Y[2].zw, S[2].zw));
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Out[3] = lerp(half4(1, 2, -3, 4), half4(8, -7, 6, 5), half4(0.25, 0.5, 0.75, 0));
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}
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//--- pipeline.yaml
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---
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Shaders:
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- Stage: Compute
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Entry: main
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DispatchSize: [1, 1, 1]
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Buffers:
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- Name: X
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Format: Float16
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Stride: 8
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Data: [ 0x3c00, 0x4000, 0xc200, 0x4400, 0x0000, 0x4d13, 0x4fa0, 0x4500, 0xc500, 0xcc00, 0x3c00, 0x4000 ]
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# 1, 2, -3, 4, 0, 20.3, 30.5, 5, -5, -16, 1, 2
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- Name: Y
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Format: Float16
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Stride: 8
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Data: [ 0x4800, 0xc700, 0x4600, 0x4500, 0x0000, 0x538a, 0x4fa0, 0x4b80, 0xcb80, 0xc800, 0x5640, 0x5a40 ]
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# 8, -7, 6, 5, 0, 60.3, 30.5, 15, -15, -8, 100, 200
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- Name: S
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Format: Float16
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Stride: 8
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Data: [ 0x3400, 0x3800, 0x3a00, 0x0000, 0x3800, 0x3666, 0x3a66, 0x3a66, 0x3666, 0x38cd, 0x2e66, 0x3b33 ]
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# 0.25, 0.5, 0.75, 0, 0.5, 0.4, 0.8, 0.8, 0.4, 0.6, 0.1, 0.9
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- Name: Out
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Format: Float16
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Stride: 8
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ZeroInitSize: 32
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- Name: ExpectedOut
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Format: Float16
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Stride: 8
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Data: [ 0x4180, 0xc100, 0x4380, 0x4400, 0x0000, 0x508a, 0x4fa0, 0x4a80, 0xc880, 0xc99a, 0x4973, 0x59a2, 0x4180, 0xc100, 0x4380, 0x4400 ]
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# 2.75, -2.5, 3.75, 4, 0, 36.3, 30.5, 13, -9, -11.2, 10.9, 180.2, 2.75, -2.5, 3.75, 4
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Results:
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- Result: Test0
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Rule: BufferFloatULP
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ULPT: 1
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Actual: Out
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Expected: ExpectedOut
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DescriptorSets:
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- Resources:
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- Name: X
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 0
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Space: 0
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VulkanBinding:
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Binding: 0
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- Name: Y
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 1
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Space: 0
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VulkanBinding:
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Binding: 1
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- Name: S
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 2
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Space: 0
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VulkanBinding:
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Binding: 2
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- Name: Out
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Kind: RWStructuredBuffer
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DirectXBinding:
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Register: 3
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Space: 0
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VulkanBinding:
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Binding: 3
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#--- end
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# Bug https://github.com/microsoft/DirectXShaderCompiler/issues/7710
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# XFAIL: DXC-Vulkan
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# REQUIRES: Half
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# RUN: split-file %s %t
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# RUN: %dxc_target -enable-16bit-types -HV 202x -T cs_6_5 -Fo %t.o %t/source.hlsl
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# RUN: %offloader %t/pipeline.yaml %t.o

‎test/Feature/HLSLLib/lerp.32.test‎

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#--- source.hlsl
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StructuredBuffer<float4> X : register(t0);
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StructuredBuffer<float4> Y : register(t1);
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StructuredBuffer<float4> S : register(t2);
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RWStructuredBuffer<float4> Out : register(u3);
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[numthreads(1,1,1)]
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void main() {
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Out[0] = lerp(X[0], Y[0], S[0]);
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Out[1] = float4(lerp(X[1].xyz, Y[1].xyz, S[1].xyz), lerp(X[1].w, Y[1].w, S[1].w));
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Out[2] = float4(lerp(X[2].xy, Y[2].xy, S[2].xy), lerp(X[2].zw, Y[2].zw, S[2].zw));
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Out[3] = lerp(float4(1, 2, -3, 4), float4(8, -7, 6, 5), float4(0.25, 0.5, 0.75, 0));
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}
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//--- pipeline.yaml
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---
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Shaders:
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- Stage: Compute
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Entry: main
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DispatchSize: [1, 1, 1]
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Buffers:
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- Name: X
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Format: Float32
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Stride: 16
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Data: [ 1, 2, -3, 4, 0, 20.3, 30.5, 5, -5, -16, 1, 2 ]
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- Name: Y
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Format: Float32
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Stride: 16
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Data: [ 8, -7, 6, 5, 0, 60.3, 30.5, 15, -15, -8, 100, 200 ]
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- Name: S
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Format: Float32
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Stride: 16
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Data: [ 0.25, 0.5, 0.75, 0, 0.5, 0.4, 0.8, 0.8, 0.4, 0.6, 0.1, 0.9 ]
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- Name: Out
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Format: Float32
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Stride: 16
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ZeroInitSize: 64
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- Name: ExpectedOut
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Format: Float32
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Stride: 16
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Data: [ 2.75, -2.5, 3.75, 4, 0, 36.3, 30.5, 13, -9, -11.2, 10.9, 180.2, 2.75, -2.5, 3.75, 4 ]
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Results:
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- Result: Test0
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Rule: BufferFloatULP
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ULPT: 1
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Actual: Out
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Expected: ExpectedOut
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DescriptorSets:
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- Resources:
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- Name: X
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 0
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Space: 0
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VulkanBinding:
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Binding: 0
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- Name: Y
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 1
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Space: 0
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VulkanBinding:
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Binding: 1
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- Name: S
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Kind: StructuredBuffer
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DirectXBinding:
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Register: 2
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Space: 0
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VulkanBinding:
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Binding: 2
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- Name: Out
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Kind: RWStructuredBuffer
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DirectXBinding:
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Register: 3
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Space: 0
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VulkanBinding:
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Binding: 3
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#--- end
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# RUN: split-file %s %t
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# RUN: %dxc_target -HV 202x -T cs_6_5 -Fo %t.o %t/source.hlsl
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# RUN: %offloader %t/pipeline.yaml %t.o

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