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Finn Plummer
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add static sampler tests
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‎test/Feature/RootSignatures/StaticSamplers.test

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#--- source.hlsl
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Texture2D<float4> In : register(t0);
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SamplerState DefaultSampler: register(s0);
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SamplerState OtherSampler: register(s1);
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RWTexture2D<float4> DefaultOut : register(u1);
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RWTexture2D<float4> OtherOut : register(u2);
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#define RootSig \
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"DescriptorTable( " \
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" SRV(t0), " \
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" UAV(u1, numDescriptors = 2) " \
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"), " \
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"StaticSampler(s0), " \
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"StaticSampler(s1, " \
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" mipLODBias = -15.99, " \
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" minLOD = 32.0, " \
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" maxLOD = 32.0, " \
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" addressV = TEXTURE_ADDRESS_MIRROR, " \
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" filter = FILTER_MAXIMUM_MIN_MAG_MIP_POINT " \
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")"
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[RootSignature(RootSig)]
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[numthreads(4,1,1)]
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void main(uint GI : SV_GroupIndex) {
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uint Width, Height;
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uint2 GID = {GI / 2, GI % 2};
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float2 UV = GID;
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float4 DefaultColor = In.Sample(DefaultSampler, UV);
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DefaultOut[GID.xy] = DefaultColor.bgra;
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float4 OtherColor = In.Sample(OtherSampler, UV);
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OtherOut[GID.xy] = OtherColor.bgra;
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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: In
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Format: Float32
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Channels: 4
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Data: [1.0, 0.0, 0.0, 1.0,
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0.0, 1.0, 0.0, 1.0,
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0.0, 0.0, 1.0, 1.0,
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1.0, 1.0, 0.0, 1.0]
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OutputProps:
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Height: 2
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Width: 2
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Depth: 16
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- Name: DefaultOut
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Format: Float32
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Channels: 4
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ZeroInitSize: 64
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OutputProps:
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Height: 2
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Width: 2
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Depth: 16
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- Name: OtherOut
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Format: Float32
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Channels: 4
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ZeroInitSize: 64
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OutputProps:
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Height: 2
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Width: 2
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Depth: 16
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- Name: ExpectedDefaultOut
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Format: Float32
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Channels: 4
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Data: [0.25, 0.5, 0.5, 1,
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0.25, 0.5, 0.5, 1,
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0.25, 0.5, 0.5,
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1, 0.25, 0.5, 0.5, 1]
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OutputProps:
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Height: 2
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Width: 2
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Depth: 16
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## Modifying the LOD parameters does not affect the output. However,
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## The applied filter will output [0, 0, 1, 1, ... 0, 0, 1, 1] and then
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## setting addressV to mirror outputs [0, 0, 1, 1, ..., 1, 0, 0, 1] as shown
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## below
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- Name: ExpectedOtherOut
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Format: Float32
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Channels: 4
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Data: [0, 0, 1, 1,
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0, 0, 1, 1,
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1, 0, 0, 1,
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1, 0, 0, 1 ]
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OutputProps:
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Height: 2
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Width: 2
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Depth: 16
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Results:
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- Result: DefaultTest
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Rule: BufferExact
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Actual: DefaultOut
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Expected: ExpectedDefaultOut
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- Result: OtherTest
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Rule: BufferExact
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Actual: OtherOut
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Expected: ExpectedOtherOut
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DescriptorSets:
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- Resources:
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- Name: In
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Kind: Texture2D
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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: DefaultOut
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Kind: RWTexture2D
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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: OtherOut
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Kind: RWTexture2D
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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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...
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#--- end
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# UNSUPPORTED: Clang
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# RUN: split-file %s %t
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# RUN: %dxc_target -T cs_6_6 -Fo %t.o %t/source.hlsl
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# RUN: %offloader %t/pipeline.yaml %t.o
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# RUN: obj2yaml %t.o | FileCheck %s --check-prefix=OBJ
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## Root Signature Header
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# OBJ: - Name: RTS0
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# OBJ: Size: 196
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# OBJ: RootSignature:
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# OBJ: Version: 2
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# OBJ: NumRootParameters: 1
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# OBJ: RootParametersOffset: 24
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# OBJ: NumStaticSamplers: 2
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# OBJ: StaticSamplersOffset: 92
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# OBJ: Parameters:
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## Descriptor Table
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# OBJ: - ParameterType: 0
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# OBJ: ShaderVisibility: 0
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# OBJ: Table:
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# OBJ: NumRanges: 2
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# OBJ: RangesOffset: 44
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# OBJ: Ranges:
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## SRV(t0)
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# OBJ: - RangeType: 0
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# OBJ: NumDescriptors: 1
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# OBJ: BaseShaderRegister: 0
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# OBJ: RegisterSpace: 0
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# OBJ: OffsetInDescriptorsFromTableStart: 4294967295
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## UAV(u1, numDescriptors = 2)
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# OBJ: - RangeType: 1
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# OBJ: NumDescriptors: 2
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# OBJ: BaseShaderRegister: 1
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# OBJ: RegisterSpace: 0
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# OBJ: OffsetInDescriptorsFromTableStart: 4294967295
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# OBJ: Samplers:
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## StaticSampler(s0)
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## Ensures the defaults are set as expected
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# OBJ: - Filter: 85
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# OBJ: AddressU: 1
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# OBJ: AddressV: 1
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# OBJ: AddressW: 1
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# OBJ: MipLODBias: 0
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# OBJ: MaxAnisotropy: 16
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# OBJ: ComparisonFunc: 4
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# OBJ: BorderColor: 2
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# OBJ: MinLOD: 0
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# OBJ: MaxLOD: 3.40282e+38
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# OBJ: ShaderRegister: 0
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# OBJ: RegisterSpace: 0
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# OBJ: ShaderVisibility: 0
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## StaticSampler(s1,
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## mipLODBias = -15.99,
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## minLOD = 32.0,
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## maxLOD = 32.0,
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## addressV = TEXTURE_ADDRESS_MIRROR,
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## filter = FILTER_MAXIMUM_MIN_MAG_MIP_POINT
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## )
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## Ensures the specified values are set as expected
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# OBJ: - Filter: 384
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# OBJ: AddressU: 1
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# OBJ: AddressV: 2
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# OBJ: AddressW: 1
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# OBJ: MipLODBias: -15.99
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# OBJ: MaxAnisotropy: 16
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# OBJ: ComparisonFunc: 4
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# OBJ: BorderColor: 2
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# OBJ: MinLOD: 32
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# OBJ: MaxLOD: 32
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# OBJ: ShaderRegister: 1
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# OBJ: RegisterSpace: 0
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# OBJ: ShaderVisibility: 0

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