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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -emit-llvm -o - %s | FileCheck %s
// CHECK: !dx.rootsignatures = !{![[#EMPTY_ENTRY:]], ![[#DT_ENTRY:]],
// CHECK-SAME: ![[#RF_ENTRY:]], ![[#RC_ENTRY:]], ![[#RD_ENTRY:]], ![[#SS_ENTRY:]]}
// CHECK: ![[#EMPTY_ENTRY]] = !{ptr @EmptyEntry, ![[#EMPTY:]], i32 2}
// CHECK: ![[#EMPTY]] = !{}
[shader("compute"), RootSignature("")]
[numthreads(1,1,1)]
void EmptyEntry() {}
// CHECK: ![[#DT_ENTRY]] = !{ptr @DescriptorTableEntry, ![[#DT_RS:]], i32 2}
// CHECK: ![[#DT_RS]] = !{![[#TABLE:]]}
// CHECK: ![[#TABLE]] = !{!"DescriptorTable", i32 0, ![[#CBV:]], ![[#SRV:]]}
// CHECK: ![[#CBV]] = !{!"CBV", i32 1, i32 0, i32 0, i32 -1, i32 4}
// CHECK: ![[#SRV]] = !{!"SRV", i32 4, i32 42, i32 3, i32 32, i32 0}
#define SampleDescriptorTable \
"DescriptorTable( " \
" CBV(b0), " \
" SRV(t42, space = 3, offset = 32, numDescriptors = 4, flags = 0) " \
")"
[shader("compute"), RootSignature(SampleDescriptorTable)]
[numthreads(1,1,1)]
void DescriptorTableEntry() {}
// CHECK: ![[#RF_ENTRY]] = !{ptr @RootFlagsEntry, ![[#RF_RS:]], i32 2}
// CHECK: ![[#RF_RS]] = !{![[#ROOT_FLAGS:]]}
// CHECK: ![[#ROOT_FLAGS]] = !{!"RootFlags", i32 2114}
#define SampleRootFlags \
"RootFlags( " \
" Deny_Vertex_Shader_Root_Access | Allow_Stream_Output | " \
" sampler_heap_directly_indexed " \
")"
[shader("compute"), RootSignature(SampleRootFlags)]
[numthreads(1,1,1)]
void RootFlagsEntry() {}
// CHECK: ![[#RC_ENTRY]] = !{ptr @RootConstantsEntry, ![[#RC_RS:]], i32 2}
// CHECK: ![[#RC_RS]] = !{![[#ROOT_CONSTANTS:]]}
// CHECK: ![[#ROOT_CONSTANTS]] = !{!"RootConstants", i32 5, i32 1, i32 2, i32 1}
#define SampleRootConstants \
"RootConstants(" \
" space = 2, " \
" visibility = Shader_Visibility_Pixel, " \
" b1, num32BitConstants = 1 " \
")"
[shader("compute"), RootSignature(SampleRootConstants)]
[numthreads(1,1,1)]
void RootConstantsEntry() {}
// CHECK: ![[#RD_ENTRY]] = !{ptr @RootDescriptorsEntry, ![[#RD_RS:]], i32 2}
// CHECK: ![[#RD_RS]] = !{![[#ROOT_CBV:]], ![[#ROOT_UAV:]], ![[#ROOT_SRV:]]}
// CHECK: ![[#ROOT_CBV]] = !{!"RootCBV", i32 0, i32 0, i32 0, i32 4}
// CHECK: ![[#ROOT_UAV]] = !{!"RootUAV", i32 0, i32 42, i32 3, i32 2}
// CHECK: ![[#ROOT_SRV]] = !{!"RootSRV", i32 4, i32 0, i32 0, i32 2}
#define SampleRootDescriptors \
"CBV(b0), " \
"UAV(space = 3, u42), " \
"SRV(t0, visibility = Shader_Visibility_Geometry, flags = Data_Volatile)"
[shader("compute"), RootSignature(SampleRootDescriptors)]
[numthreads(1,1,1)]
void RootDescriptorsEntry() {}
// CHECK: ![[#SS_ENTRY]] = !{ptr @StaticSamplerEntry, ![[#SS_RS:]], i32 2}
// CHECK: ![[#SS_RS]] = !{![[#STATIC_SAMPLER:]]}
// checking filter = 0x4
// CHECK: ![[#STATIC_SAMPLER]] = !{!"StaticSampler", i32 4,
// checking texture address[U|V|W]
// CHECK-SAME: i32 2, i32 3, i32 5,
// checking mipLODBias, maxAnisotropy, comparisonFunc, borderColor
// note: the hex value is the float bit representation of 12.45
// CHECK-SAME: float 0x4028E66660000000, i32 9, i32 3, i32 2,
// checking minLOD, maxLOD
// CHECK-SAME: float -1.280000e+02, float 1.280000e+02,
// checking register, space and visibility
// CHECK-SAME: i32 42, i32 0, i32 0}
#define SampleStaticSampler \
"StaticSampler(s42, " \
" filter = FILTER_MIN_POINT_MAG_LINEAR_MIP_POINT, " \
" addressU = TEXTURE_ADDRESS_MIRROR, " \
" addressV = TEXTURE_ADDRESS_CLAMP, " \
" addressW = TEXTURE_ADDRESS_MIRRORONCE, " \
" mipLODBias = 12.45f, maxAnisotropy = 9, " \
" comparisonFunc = COMPARISON_EQUAL, " \
" borderColor = STATIC_BORDER_COLOR_OPAQUE_WHITE, " \
" minLOD = -128.f, maxLOD = 128.f, " \
" space = 0, visibility = SHADER_VISIBILITY_ALL, " \
")"
[shader("compute"), RootSignature(SampleStaticSampler)]
[numthreads(1,1,1)]
void StaticSamplerEntry() {}
// Sanity test to ensure no root is added for this function as there is only
// two entries in !dx.roosignatures
[shader("compute")]
[numthreads(1,1,1)]
void NoRSEntry() {}
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