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Vulkan-CTS-bin/vulkan/amber/ldexp/ldexp_f64vec4_i16vec4.amber
2026-05-06 23:44:13 +02:00

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#!amber
# Copyright (c) 2025 The Khronos Group Inc.
# Copyright (c) 2025 Valve Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
DEVICE_FEATURE shaderFloat64
DEVICE_FEATURE shaderInt16
DEVICE_FEATURE Storage16BitFeatures.storageBuffer16BitAccess
DEVICE_FEATURE Storage16BitFeatures.uniformAndStorageBuffer16BitAccess
SHADER compute compute_shader SPIRV-ASM
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 11
; Bound: 66
; Schema: 0
OpCapability Shader
OpCapability Float64
OpCapability Int16
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_16bit_storage"
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main" %gl_LocalInvocationIndex
OpExecutionMode %main LocalSize 64 1 1
OpSource GLSL 460
OpSourceExtension "GL_EXT_shader_explicit_arithmetic_types"
OpName %main "main"
OpName %idx "idx"
OpName %gl_LocalInvocationIndex "gl_LocalInvocationIndex"
OpName %PushConstantBlock "PushConstantBlock"
OpMemberName %PushConstantBlock 0 "count"
OpName %_ ""
OpName %s "s"
OpName %SignificandBlock "SignificandBlock"
OpMemberName %SignificandBlock 0 "significands"
OpName %__0 ""
OpName %e "e"
OpName %ExponentsBlock "ExponentsBlock"
OpMemberName %ExponentsBlock 0 "exponents"
OpName %__1 ""
OpName %r "r"
OpName %ResultsBlock "ResultsBlock"
OpMemberName %ResultsBlock 0 "results"
OpName %__2 ""
OpDecorate %gl_LocalInvocationIndex BuiltIn LocalInvocationIndex
OpDecorate %PushConstantBlock Block
OpMemberDecorate %PushConstantBlock 0 Offset 0
OpDecorate %_runtimearr_v4double ArrayStride 32
OpDecorate %SignificandBlock BufferBlock
OpMemberDecorate %SignificandBlock 0 NonWritable
OpMemberDecorate %SignificandBlock 0 Offset 0
OpDecorate %__0 NonWritable
OpDecorate %__0 Binding 0
OpDecorate %__0 DescriptorSet 0
OpDecorate %_runtimearr_v4short ArrayStride 8
OpDecorate %ExponentsBlock BufferBlock
OpMemberDecorate %ExponentsBlock 0 NonWritable
OpMemberDecorate %ExponentsBlock 0 Offset 0
OpDecorate %__1 NonWritable
OpDecorate %__1 Binding 1
OpDecorate %__1 DescriptorSet 0
OpDecorate %_runtimearr_v4double_0 ArrayStride 32
OpDecorate %ResultsBlock BufferBlock
OpMemberDecorate %ResultsBlock 0 Offset 0
OpDecorate %__2 Binding 2
OpDecorate %__2 DescriptorSet 0
OpDecorate %gl_WorkGroupSize BuiltIn WorkgroupSize
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%_ptr_Function_uint = OpTypePointer Function %uint
%_ptr_Input_uint = OpTypePointer Input %uint
%gl_LocalInvocationIndex = OpVariable %_ptr_Input_uint Input
%PushConstantBlock = OpTypeStruct %uint
%_ptr_PushConstant_PushConstantBlock = OpTypePointer PushConstant %PushConstantBlock
%_ = OpVariable %_ptr_PushConstant_PushConstantBlock PushConstant
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%_ptr_PushConstant_uint = OpTypePointer PushConstant %uint
%bool = OpTypeBool
%double = OpTypeFloat 64
%v4double = OpTypeVector %double 4
%_ptr_Function_v4double = OpTypePointer Function %v4double
%_runtimearr_v4double = OpTypeRuntimeArray %v4double
%SignificandBlock = OpTypeStruct %_runtimearr_v4double
%_ptr_Uniform_SignificandBlock = OpTypePointer Uniform %SignificandBlock
%__0 = OpVariable %_ptr_Uniform_SignificandBlock Uniform
%_ptr_Uniform_v4double = OpTypePointer Uniform %v4double
%short = OpTypeInt 16 1
%v4short = OpTypeVector %short 4
%_ptr_Function_v4short = OpTypePointer Function %v4short
%_runtimearr_v4short = OpTypeRuntimeArray %v4short
%ExponentsBlock = OpTypeStruct %_runtimearr_v4short
%_ptr_Uniform_ExponentsBlock = OpTypePointer Uniform %ExponentsBlock
%__1 = OpVariable %_ptr_Uniform_ExponentsBlock Uniform
%_ptr_Uniform_v4short = OpTypePointer Uniform %v4short
%v4int = OpTypeVector %int 4
%_runtimearr_v4double_0 = OpTypeRuntimeArray %v4double
%ResultsBlock = OpTypeStruct %_runtimearr_v4double_0
%_ptr_Uniform_ResultsBlock = OpTypePointer Uniform %ResultsBlock
%__2 = OpVariable %_ptr_Uniform_ResultsBlock Uniform
%v3uint = OpTypeVector %uint 3
%uint_64 = OpConstant %uint 64
%uint_1 = OpConstant %uint 1
%gl_WorkGroupSize = OpConstantComposite %v3uint %uint_64 %uint_1 %uint_1
%main = OpFunction %void None %3
%5 = OpLabel
%idx = OpVariable %_ptr_Function_uint Function
%s = OpVariable %_ptr_Function_v4double Function
%e = OpVariable %_ptr_Function_v4short Function
%r = OpVariable %_ptr_Function_v4double Function
%11 = OpLoad %uint %gl_LocalInvocationIndex
OpStore %idx %11
%12 = OpLoad %uint %idx
%19 = OpAccessChain %_ptr_PushConstant_uint %_ %int_0
%20 = OpLoad %uint %19
%22 = OpULessThan %bool %12 %20
OpSelectionMerge %24 None
OpBranchConditional %22 %23 %24
%23 = OpLabel
%33 = OpLoad %uint %idx
%35 = OpAccessChain %_ptr_Uniform_v4double %__0 %int_0 %33
%36 = OpLoad %v4double %35
OpStore %s %36
%45 = OpLoad %uint %idx
%47 = OpAccessChain %_ptr_Uniform_v4short %__1 %int_0 %45
%48 = OpLoad %v4short %47
OpStore %e %48
%50 = OpLoad %v4double %s
%51 = OpLoad %v4short %e
%54 = OpExtInst %v4double %1 Ldexp %50 %51
OpStore %r %54
%59 = OpLoad %uint %idx
%60 = OpLoad %v4double %r
%61 = OpAccessChain %_ptr_Uniform_v4double %__2 %int_0 %59
OpStore %61 %60
OpBranch %24
%24 = OpLabel
OpReturn
OpFunctionEnd
END
BUFFER significands DATA_TYPE double DATA
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
END
BUFFER exponents DATA_TYPE int16 DATA
1
0
-1
-2
-14
-126
-32764
-32765
1
0
-1
-2
-14
-126
-32764
-32765
1
0
-1
-2
-14
-126
-32764
-32765
1
0
-1
-2
-14
-126
-32764
-32765
END
BUFFER results DATA_TYPE double DATA
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
END
BUFFER pc DATA_TYPE uint32 DATA
8
END
PIPELINE compute pipeline
ATTACH compute_shader
BIND BUFFER significands AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER exponents AS storage DESCRIPTOR_SET 0 BINDING 1
BIND BUFFER results AS storage DESCRIPTOR_SET 0 BINDING 2
BIND BUFFER pc AS push_constant
END
RUN pipeline 1 1 1
EXPECT results IDX 0 TOLERANCE .0001 EQ -2.0
EXPECT results IDX 8 TOLERANCE .0001 EQ -1.0
EXPECT results IDX 16 TOLERANCE .0001 EQ -0.5
EXPECT results IDX 24 TOLERANCE .0001 EQ -0.25
EXPECT results IDX 32 TOLERANCE .0001 EQ -6.103515625e-05
EXPECT results IDX 40 TOLERANCE .0001 EQ -1.1754943508222875e-38
EXPECT results IDX 48 TOLERANCE .0001 EQ -0.0
EXPECT results IDX 56 TOLERANCE .0001 EQ -0.0
EXPECT results IDX 64 TOLERANCE .0001 EQ 1.0
EXPECT results IDX 72 TOLERANCE .0001 EQ 0.5
EXPECT results IDX 80 TOLERANCE .0001 EQ 0.25
EXPECT results IDX 88 TOLERANCE .0001 EQ 0.125
EXPECT results IDX 96 TOLERANCE .0001 EQ 3.0517578125e-05
EXPECT results IDX 104 TOLERANCE .0001 EQ 5.877471754111438e-39
EXPECT results IDX 112 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 120 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 128 TOLERANCE .0001 EQ 2.5
EXPECT results IDX 136 TOLERANCE .0001 EQ 1.25
EXPECT results IDX 144 TOLERANCE .0001 EQ 0.625
EXPECT results IDX 152 TOLERANCE .0001 EQ 0.3125
EXPECT results IDX 160 TOLERANCE .0001 EQ 7.62939453125e-05
EXPECT results IDX 168 TOLERANCE .0001 EQ 1.4693679385278594e-38
EXPECT results IDX 176 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 184 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 192 TOLERANCE .0001 EQ 4.0
EXPECT results IDX 200 TOLERANCE .0001 EQ 2.0
EXPECT results IDX 208 TOLERANCE .0001 EQ 1.0
EXPECT results IDX 216 TOLERANCE .0001 EQ 0.5
EXPECT results IDX 224 TOLERANCE .0001 EQ 0.0001220703125
EXPECT results IDX 232 TOLERANCE .0001 EQ 2.350988701644575e-38
EXPECT results IDX 240 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 248 TOLERANCE .0001 EQ 0.0