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luciechoiluciechoi
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Address comments and add tests
1 parent 6048db8 commit 7962053

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‎tools/clang/lib/SPIRV/LowerTypeVisitor.cpp‎

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -862,10 +862,12 @@ const SpirvType *LowerTypeVisitor::lowerVkTypeInVkNamespace(
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loweredType = spvContext.getUIntType(32);
863863
}
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865+
// Drop the "SampledTexture" prefix.
866+
StringRef suffix = name.drop_front(14);
865867
const spv::Dim dimension =
866-
name.count("1D") > 0 ? spv::Dim::Dim1D : spv::Dim::Dim2D;
867-
const bool isArray = name.count("Array") > 0;
868-
const bool isMS = name.count("MS") > 0;
868+
suffix.startswith("1D") ? spv::Dim::Dim1D : spv::Dim::Dim2D;
869+
const bool isArray = suffix.endswith("Array");
870+
const bool isMS = suffix.find("MS") != StringRef::npos;
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870872
const auto *imageType = spvContext.getImageType(
871873
loweredType, dimension, ImageType::WithDepth::No, isArray, isMS,

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.access.hlsl‎

Lines changed: 19 additions & 0 deletions
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// RUN: %dxc -T ps_6_7 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
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// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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vk::SampledTexture1D<float4> tex1d;
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void main() {
9+
// CHECK: OpStore %pos1 %uint_1
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uint pos1 = 1;
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// CHECK: [[pos1:%[a-zA-Z0-9_]+]] = OpLoad %uint %pos1
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// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[tex_image:%[a-zA-Z0-9_]+]] = OpImage %type_1d_image [[tex1_load]]
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// CHECK: [[fetch_result:%[a-zA-Z0-9_]+]] = OpImageFetch %v4float [[tex_image]] [[pos1]] Lod %uint_0
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// CHECK: OpStore %a1 [[fetch_result]]
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float4 a1 = tex1d[pos1];
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}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.calculate-lod-unclamped.hlsl‎

Lines changed: 19 additions & 0 deletions
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// RUN: %dxc -T ps_6_8 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
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// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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vk::SampledTexture1D<float4> tex1d;
7+
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void main() {
9+
// CHECK: OpStore %x %float_0_5
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float x = 0.5;
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// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[x:%[a-zA-Z0-9_]+]] = OpLoad %float %x
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// CHECK: [[lod_query:%[a-zA-Z0-9_]+]] = OpImageQueryLod %v2float [[tex1_load]] [[x]]
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// CHECK: [[unclamped_lod:%[a-zA-Z0-9_]+]] = OpCompositeExtract %float [[lod_query]] 1
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// CHECK: OpStore %lod1 [[unclamped_lod]]
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float lod1 = tex1d.CalculateLevelOfDetailUnclamped(x);
18+
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}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.calculate-lod.hlsl‎

Lines changed: 19 additions & 0 deletions
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// RUN: %dxc -T ps_6_0 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
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// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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vk::SampledTexture1D<float4> tex1d;
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void main() {
9+
// CHECK: OpStore %x %float_0_5
10+
float x = 0.5;
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// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[x:%[a-zA-Z0-9_]+]] = OpLoad %float %x
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// CHECK: [[lod_query:%[a-zA-Z0-9_]+]] = OpImageQueryLod %v2float [[tex1_load]] [[x]]
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// CHECK: [[lod:%[a-zA-Z0-9_]+]] = OpCompositeExtract %float [[lod_query]] 0
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// CHECK: OpStore %lod [[lod]]
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float lod = tex1d.CalculateLevelOfDetail(x);
18+
19+
}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.get-dimensions.hlsl‎

Lines changed: 75 additions & 0 deletions
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// RUN: %dxc -T ps_6_0 -E main -fcgl %s -spirv | FileCheck %s
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// RUN: not %dxc -T ps_6_0 -E main -fcgl %s -spirv -DERROR 2>&1 | FileCheck %s --check-prefix=ERROR
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// CHECK: OpCapability ImageQuery
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// CHECK: [[type_1d_image:%[a-zA-Z0-9_]+]] = OpTypeImage %float 1D 0 0 0 1 Unknown
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// CHECK: [[type_1d_sampled_image:%[a-zA-Z0-9_]+]] = OpTypeSampledImage [[type_1d_image]]
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9+
vk::SampledTexture1D<float4> tex1d;
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11+
void main() {
12+
uint mipLevel = 1;
13+
uint width, height, numLevels, elements, numSamples;
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// CHECK: [[t1_load:%[0-9]+]] = OpLoad [[type_1d_sampled_image]] %tex1d
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// CHECK-NEXT: [[image1:%[0-9]+]] = OpImage [[type_1d_image]] [[t1_load]]
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// CHECK-NEXT: [[query1:%[0-9]+]] = OpImageQuerySizeLod %uint [[image1]] %int_0
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// CHECK-NEXT: OpStore %width [[query1]]
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tex1d.GetDimensions(width);
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// CHECK: [[t2_load:%[0-9]+]] = OpLoad [[type_1d_sampled_image]] %tex1d
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// CHECK-NEXT: [[image2:%[0-9]+]] = OpImage [[type_1d_image]] [[t2_load]]
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// CHECK-NEXT: [[mip:%[0-9]+]] = OpLoad %uint %mipLevel
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// CHECK-NEXT: [[query2:%[0-9]+]] = OpImageQuerySizeLod %uint [[image2]] [[mip]]
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// CHECK-NEXT: OpStore %width [[query2]]
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// CHECK-NEXT: [[query_level_2:%[0-9]+]] = OpImageQueryLevels %uint [[image2]]
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// CHECK-NEXT: OpStore %numLevels [[query_level_2]]
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tex1d.GetDimensions(mipLevel, width, numLevels);
29+
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float f_width, f_height, f_numLevels;
31+
// CHECK: [[t3_load:%[0-9]+]] = OpLoad [[type_1d_sampled_image]] %tex1d
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// CHECK-NEXT: [[image3:%[0-9]+]] = OpImage [[type_1d_image]] [[t3_load]]
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// CHECK-NEXT: [[query3:%[0-9]+]] = OpImageQuerySizeLod %uint [[image3]] %int_0
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// CHECK-NEXT: [[f_query3:%[0-9]+]] = OpConvertUToF %float [[query3]]
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// CHECK-NEXT: OpStore %f_width [[f_query3]]
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tex1d.GetDimensions(f_width);
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// CHECK: [[t4_load:%[0-9]+]] = OpLoad [[type_1d_sampled_image]] %tex1d
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// CHECK-NEXT: [[image4:%[0-9]+]] = OpImage [[type_1d_image]] [[t4_load]]
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// CHECK-NEXT: [[mip4:%[0-9]+]] = OpLoad %uint %mipLevel
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// CHECK-NEXT: [[query4:%[0-9]+]] = OpImageQuerySizeLod %uint [[image4]] [[mip4]]
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// CHECK-NEXT: [[f_query4:%[0-9]+]] = OpConvertUToF %float [[query4]]
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// CHECK-NEXT: OpStore %f_width [[f_query4]]
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// CHECK-NEXT: [[query_level_4:%[0-9]+]] = OpImageQueryLevels %uint [[image4]]
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// CHECK-NEXT: [[f_query_level_4:%[0-9]+]] = OpConvertUToF %float [[query_level_4]]
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// CHECK-NEXT: OpStore %f_numLevels [[f_query_level_4]]
47+
tex1d.GetDimensions(mipLevel, f_width, f_numLevels);
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int i_width, i_height, i_numLevels;
50+
// CHECK: [[t5_load:%[0-9]+]] = OpLoad [[type_1d_sampled_image]] %tex1d
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// CHECK-NEXT: [[image5:%[0-9]+]] = OpImage [[type_1d_image]] [[t5_load]]
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// CHECK-NEXT: [[query5:%[0-9]+]] = OpImageQuerySizeLod %uint [[image5]] %int_0
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// CHECK-NEXT: [[query5_i:%[0-9]+]] = OpBitcast %int [[query5]]
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// CHECK-NEXT: OpStore %i_width [[query5_i]]
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tex1d.GetDimensions(i_width);
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// CHECK: [[t6_load:%[0-9]+]] = OpLoad [[type_1d_sampled_image]] %tex1d
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// CHECK-NEXT: [[image6:%[0-9]+]] = OpImage [[type_1d_image]] [[t6_load]]
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// CHECK-NEXT: [[mip6:%[0-9]+]] = OpLoad %uint %mipLevel
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// CHECK-NEXT: [[query6:%[0-9]+]] = OpImageQuerySizeLod %uint [[image6]] [[mip6]]
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// CHECK-NEXT: [[query6_i:%[0-9]+]] = OpBitcast %int [[query6]]
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// CHECK-NEXT: OpStore %i_width [[query6_i]]
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// CHECK-NEXT: [[query_level_6:%[0-9]+]] = OpImageQueryLevels %uint [[image6]]
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// CHECK-NEXT: [[query_level_6_i:%[0-9]+]] = OpBitcast %int [[query_level_6]]
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// CHECK-NEXT: OpStore %i_numLevels [[query_level_6_i]]
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tex1d.GetDimensions(mipLevel, i_width, i_numLevels);
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#ifdef ERROR
69+
// ERROR: error: no matching member function for call to 'GetDimensions'
70+
tex1d.GetDimensions(mipLevel, 0, height, numLevels);
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// ERROR: error: no matching member function for call to 'GetDimensions'
73+
tex1d.GetDimensions(width, 20);
74+
#endif
75+
}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.load.hlsl‎

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// RUN: %dxc -T ps_6_0 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
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// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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vk::SampledTexture1D<float4> tex1d;
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float4 main(int2 location3: A) : SV_Target {
9+
// CHECK: %location3 = OpFunctionParameter %_ptr_Function_v2int
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// CHECK: [[location3:%[a-zA-Z0-9_]+]] = OpLoad %v2int %location3
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// CHECK: [[coord:%[a-zA-Z0-9_]+]] = OpCompositeExtract %int [[location3]] 0
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// CHECK: [[mip_level:%[a-zA-Z0-9_]+]] = OpCompositeExtract %int [[location3]] 1
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// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[tex_image:%[a-zA-Z0-9_]+]] = OpImage %type_1d_image [[tex1_load]]
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// CHECK: [[fetch_result:%[a-zA-Z0-9_]+]] = OpImageFetch %v4float [[tex_image]] [[coord]] Lod [[mip_level]]
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// CHECK: OpStore %val1 [[fetch_result]]
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float4 val1 = tex1d.Load(location3);
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// CHECK: [[location3_2:%[a-zA-Z0-9_]+]] = OpLoad %v2int %location3
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// CHECK: [[coord_2:%[a-zA-Z0-9_]+]] = OpCompositeExtract %int [[location3_2]] 0
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// CHECK: [[mip_level_2:%[a-zA-Z0-9_]+]] = OpCompositeExtract %int [[location3_2]] 1
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// CHECK: [[tex2_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[tex_image_2:%[a-zA-Z0-9_]+]] = OpImage %type_1d_image [[tex2_load]]
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// CHECK: [[fetch_result_2:%[a-zA-Z0-9_]+]] = OpImageFetch %v4float [[tex_image_2]] [[coord_2]] Lod|ConstOffset [[mip_level_2]] %int_1
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// CHECK: OpStore %val2 [[fetch_result_2]]
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float4 val2 = tex1d.Load(location3, 1);
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/////////////////////////////////
30+
/// Using the Status argument ///
31+
/////////////////////////////////
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// CHECK: [[location3_3:%[a-zA-Z0-9_]+]] = OpLoad %v2int %location3
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// CHECK: [[coord_3:%[a-zA-Z0-9_]+]] = OpCompositeExtract %int [[location3_3]] 0
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// CHECK: [[mip_level_3:%[a-zA-Z0-9_]+]] = OpCompositeExtract %int [[location3_3]] 1
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// CHECK: [[tex3_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[tex_image_3:%[a-zA-Z0-9_]+]] = OpImage %type_1d_image [[tex3_load]]
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// CHECK: [[sparse_fetch_result:%[a-zA-Z0-9_]+]] = OpImageSparseFetch %SparseResidencyStruct [[tex_image_3]] [[coord_3]] Lod|ConstOffset [[mip_level_3]] %int_1
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// CHECK: [[status_0:%[a-zA-Z0-9_]+]] = OpCompositeExtract %uint [[sparse_fetch_result]] 0
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// CHECK: OpStore %status [[status_0]]
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// CHECK: [[sampled_texel:%[a-zA-Z0-9_]+]] = OpCompositeExtract %v4float [[sparse_fetch_result]] 1
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// CHECK: OpStore %val3 [[sampled_texel]]
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uint status;
45+
float4 val3 = tex1d.Load(location3, 1, status);
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return 1.0;
48+
}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.mips-access.hlsl‎

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// RUN: %dxc -T ps_6_7 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
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// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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vk::SampledTexture1D<float4> tex1d;
7+
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void main() {
9+
// CHECK: OpStore %pos1 %uint_1
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uint pos1 = 1;
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// CHECK: [[pos1:%[a-zA-Z0-9_]+]] = OpLoad %uint %pos1
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// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[tex_image:%[a-zA-Z0-9_]+]] = OpImage %type_1d_image [[tex1_load]]
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// CHECK: [[fetch_result:%[a-zA-Z0-9_]+]] = OpImageFetch %v4float [[tex_image]] [[pos1]] Lod %uint_2
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// CHECK: OpStore %a1 [[fetch_result]]
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float4 a1 = tex1d.mips[2][pos1];
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}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.sample-bias.hlsl‎

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// RUN: %dxc -T ps_6_0 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
4+
// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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vk::SampledTexture1D<float4> tex1d;
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float4 main() : SV_Target {
9+
// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result:%[a-zA-Z0-9_]+]] = OpImageSampleImplicitLod %v4float [[tex1_load]] %float_0_5 Bias %float_0_5
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// CHECK: OpStore %val1 [[sampled_result]]
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float4 val1 = tex1d.SampleBias(0.5, 0.5f);
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// CHECK: [[tex2_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result_2:%[a-zA-Z0-9_]+]] = OpImageSampleImplicitLod %v4float [[tex2_load]] %float_0_5 Bias|ConstOffset %float_0_5 %int_2
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// CHECK: OpStore %val2 [[sampled_result_2]]
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float4 val2 = tex1d.SampleBias(0.5, 0.5f, 2);
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// CHECK: [[tex3_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result_3:%[a-zA-Z0-9_]+]] = OpImageSampleImplicitLod %v4float [[tex3_load]] %float_0_5 Bias|ConstOffset|MinLod %float_0_5 %int_2 %float_2_5
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// CHECK: OpStore %val3 [[sampled_result_3]]
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float4 val3 = tex1d.SampleBias(0.5, 0.5f, 2, 2.5f);
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// CHECK: [[tex4_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result_4:%[a-zA-Z0-9_]+]] = OpImageSparseSampleImplicitLod %SparseResidencyStruct [[tex4_load]] %float_0_5 Bias|ConstOffset|MinLod %float_0_5 %int_2 %float_2_5
27+
// CHECK: [[status_0:%[a-zA-Z0-9_]+]] = OpCompositeExtract %uint [[sampled_result_4]] 0
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// CHECK: OpStore %status [[status_0]]
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// CHECK: [[sampled_texel:%[a-zA-Z0-9_]+]] = OpCompositeExtract %v4float [[sampled_result_4]] 1
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// CHECK: OpStore %val4 [[sampled_texel]]
31+
uint status;
32+
float4 val4 = tex1d.SampleBias(0.5, 0.5f, 2, 2.5f, status);
33+
34+
return 1.0;
35+
}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.sample-cmp-bias.hlsl‎

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// RUN: %dxc -T ps_6_0 -E main -fcgl %s -spirv | FileCheck %s
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// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
4+
// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
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6+
vk::SampledTexture1D<float4> tex1d;
7+
8+
float4 main() : SV_Target {
9+
// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
10+
// CHECK: [[sampled_result:%[a-zA-Z0-9_]+]] = OpImageSampleDrefImplicitLod %float [[tex1_load]] %float_0_5 %float_1 Bias %float_0_5
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// CHECK: OpStore %val1 [[sampled_result]]
12+
float val1 = tex1d.SampleCmpBias(0.5, 1.0f, 0.5f);
13+
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// CHECK: [[tex2_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
15+
// CHECK: [[sampled_result_2:%[a-zA-Z0-9_]+]] = OpImageSampleDrefImplicitLod %float [[tex2_load]] %float_0_5 %float_1 Bias|ConstOffset %float_0_5 %int_2
16+
// CHECK: OpStore %val2 [[sampled_result_2]]
17+
float val2 = tex1d.SampleCmpBias(0.5, 1.0f, 0.5f, 2);
18+
19+
// CHECK: [[tex3_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
20+
// CHECK: [[sampled_result_3:%[a-zA-Z0-9_]+]] = OpImageSampleDrefImplicitLod %float [[tex3_load]] %float_0_5 %float_1 Bias|ConstOffset|MinLod %float_0_5 %int_2 %float_2_5
21+
// CHECK: OpStore %val3 [[sampled_result_3]]
22+
float val3 = tex1d.SampleCmpBias(0.5, 1.0f, 0.5f, 2, 2.5f);
23+
24+
// CHECK: [[tex4_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
25+
// CHECK: [[sampled_result_4:%[a-zA-Z0-9_]+]] = OpImageSparseSampleDrefImplicitLod %SparseResidencyStruct [[tex4_load]] %float_0_5 %float_1 Bias|ConstOffset|MinLod %float_0_5 %int_2 %float_2_5
26+
// CHECK: [[status_0:%[a-zA-Z0-9_]+]] = OpCompositeExtract %uint [[sampled_result_4]] 0
27+
// CHECK: OpStore %status [[status_0]]
28+
// CHECK: [[sampled_value:%[a-zA-Z0-9_]+]] = OpCompositeExtract %float [[sampled_result_4]] 1
29+
// CHECK: OpStore %val4 [[sampled_value]]
30+
uint status;
31+
float val4 = tex1d.SampleCmpBias(0.5, 1.0f, 0.5f, 2, 2.5f, status);
32+
33+
return 1.0;
34+
}

‎tools/clang/test/CodeGenSPIRV/SampledTexture/SampledTexture1D/vk.sampledtexture1d.sample-cmp-grad.hlsl‎

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1+
// RUN: %dxc -T ps_6_0 -E main -fcgl %s -spirv | FileCheck %s
2+
3+
// CHECK: %type_1d_image = OpTypeImage %float 1D 0 0 0 1 Unknown
4+
// CHECK: %type_sampled_image = OpTypeSampledImage %type_1d_image
5+
6+
vk::SampledTexture1D<float4> tex1d;
7+
8+
float4 main() : SV_Target {
9+
// CHECK: [[tex1_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
10+
// CHECK: [[sampled_result:%[a-zA-Z0-9_]+]] = OpImageSampleDrefExplicitLod %float [[tex1_load]] %float_0_5 %float_1 Grad %float_1 %float_2
11+
// CHECK: OpStore %val1 [[sampled_result]]
12+
float val1 = tex1d.SampleCmpGrad(0.5, 1.0f, 1, 2);
13+
14+
// CHECK: [[tex2_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result_2:%[a-zA-Z0-9_]+]] = OpImageSampleDrefExplicitLod %float [[tex2_load]] %float_0_5 %float_1 Grad|ConstOffset %float_1 %float_2 %int_2
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// CHECK: OpStore %val2 [[sampled_result_2]]
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float val2 = tex1d.SampleCmpGrad(0.5, 1.0f, 1, 2, 2);
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// CHECK: [[tex3_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result_3:%[a-zA-Z0-9_]+]] = OpImageSampleDrefExplicitLod %float [[tex3_load]] %float_0_5 %float_1 Grad|ConstOffset|MinLod %float_1 %float_2 %int_2 %float_0_5
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// CHECK: OpStore %val3 [[sampled_result_3]]
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float val3 = tex1d.SampleCmpGrad(0.5, 1.0f, 1, 2, 2, 0.5);
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// CHECK: [[tex4_load:%[a-zA-Z0-9_]+]] = OpLoad %type_sampled_image %tex1d
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// CHECK: [[sampled_result_4:%[a-zA-Z0-9_]+]] = OpImageSparseSampleDrefExplicitLod %SparseResidencyStruct [[tex4_load]] %float_0_5 %float_1 Grad|ConstOffset|MinLod %float_1 %float_2 %int_2 %float_0_5
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// CHECK: [[status_0:%[a-zA-Z0-9_]+]] = OpCompositeExtract %uint [[sampled_result_4]] 0
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// CHECK: OpStore %status [[status_0]]
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// CHECK: [[sampled_value:%[a-zA-Z0-9_]+]] = OpCompositeExtract %float [[sampled_result_4]] 1
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// CHECK: OpStore %val4 [[sampled_value]]
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uint status;
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float val4 = tex1d.SampleCmpGrad(0.5, 1.0f, 1, 2, 2, 0.5, status);
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return 1.0;
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}

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