303 lines
8.9 KiB
Plaintext
303 lines
8.9 KiB
Plaintext
#!amber
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# Copyright (c) 2025 The Khronos Group Inc.
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# Copyright (c) 2025 Valve Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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DEVICE_FEATURE Float16Int8Features.shaderInt8
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DEVICE_FEATURE Storage8BitFeatures.uniformAndStorageBuffer8BitAccess
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SHADER compute compute_shader SPIRV-ASM
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; SPIR-V
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; Version: 1.0
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; Generator: Khronos Glslang Reference Front End; 11
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; Bound: 63
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; Schema: 0
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OpCapability Shader
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OpCapability Int8
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OpCapability UniformAndStorageBuffer8BitAccess
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OpExtension "SPV_KHR_8bit_storage"
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %main "main" %gl_LocalInvocationIndex
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OpExecutionMode %main LocalSize 64 1 1
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OpSource GLSL 460
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OpSourceExtension "GL_EXT_shader_explicit_arithmetic_types"
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OpName %main "main"
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OpName %idx "idx"
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OpName %gl_LocalInvocationIndex "gl_LocalInvocationIndex"
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OpName %PushConstantBlock "PushConstantBlock"
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OpMemberName %PushConstantBlock 0 "count"
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OpName %_ ""
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OpName %s "s"
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OpName %SignificandBlock "SignificandBlock"
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OpMemberName %SignificandBlock 0 "significands"
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OpName %__0 ""
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OpName %e "e"
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OpName %ExponentsBlock "ExponentsBlock"
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OpMemberName %ExponentsBlock 0 "exponents"
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OpName %__1 ""
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OpName %r "r"
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OpName %ResultsBlock "ResultsBlock"
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OpMemberName %ResultsBlock 0 "results"
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OpName %__2 ""
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OpDecorate %gl_LocalInvocationIndex BuiltIn LocalInvocationIndex
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OpDecorate %PushConstantBlock Block
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OpMemberDecorate %PushConstantBlock 0 Offset 0
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OpDecorate %_runtimearr_float ArrayStride 4
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OpDecorate %SignificandBlock BufferBlock
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OpMemberDecorate %SignificandBlock 0 NonWritable
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OpMemberDecorate %SignificandBlock 0 Offset 0
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OpDecorate %__0 NonWritable
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OpDecorate %__0 Binding 0
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OpDecorate %__0 DescriptorSet 0
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OpDecorate %_runtimearr_char ArrayStride 1
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OpDecorate %ExponentsBlock BufferBlock
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OpMemberDecorate %ExponentsBlock 0 NonWritable
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OpMemberDecorate %ExponentsBlock 0 Offset 0
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OpDecorate %__1 NonWritable
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OpDecorate %__1 Binding 1
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OpDecorate %__1 DescriptorSet 0
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OpDecorate %_runtimearr_float_0 ArrayStride 4
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OpDecorate %ResultsBlock BufferBlock
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OpMemberDecorate %ResultsBlock 0 Offset 0
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OpDecorate %__2 Binding 2
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OpDecorate %__2 DescriptorSet 0
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OpDecorate %gl_WorkGroupSize BuiltIn WorkgroupSize
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%uint = OpTypeInt 32 0
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%_ptr_Function_uint = OpTypePointer Function %uint
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%_ptr_Input_uint = OpTypePointer Input %uint
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%gl_LocalInvocationIndex = OpVariable %_ptr_Input_uint Input
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%PushConstantBlock = OpTypeStruct %uint
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%_ptr_PushConstant_PushConstantBlock = OpTypePointer PushConstant %PushConstantBlock
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%_ = OpVariable %_ptr_PushConstant_PushConstantBlock PushConstant
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%_ptr_PushConstant_uint = OpTypePointer PushConstant %uint
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%bool = OpTypeBool
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%float = OpTypeFloat 32
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%_ptr_Function_float = OpTypePointer Function %float
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%_runtimearr_float = OpTypeRuntimeArray %float
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%SignificandBlock = OpTypeStruct %_runtimearr_float
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%_ptr_Uniform_SignificandBlock = OpTypePointer Uniform %SignificandBlock
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%__0 = OpVariable %_ptr_Uniform_SignificandBlock Uniform
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%_ptr_Uniform_float = OpTypePointer Uniform %float
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%char = OpTypeInt 8 1
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%_ptr_Function_char = OpTypePointer Function %char
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%_runtimearr_char = OpTypeRuntimeArray %char
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%ExponentsBlock = OpTypeStruct %_runtimearr_char
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%_ptr_Uniform_ExponentsBlock = OpTypePointer Uniform %ExponentsBlock
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%__1 = OpVariable %_ptr_Uniform_ExponentsBlock Uniform
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%_ptr_Uniform_char = OpTypePointer Uniform %char
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%_runtimearr_float_0 = OpTypeRuntimeArray %float
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%ResultsBlock = OpTypeStruct %_runtimearr_float_0
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%_ptr_Uniform_ResultsBlock = OpTypePointer Uniform %ResultsBlock
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%__2 = OpVariable %_ptr_Uniform_ResultsBlock Uniform
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%v3uint = OpTypeVector %uint 3
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%uint_64 = OpConstant %uint 64
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%uint_1 = OpConstant %uint 1
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%gl_WorkGroupSize = OpConstantComposite %v3uint %uint_64 %uint_1 %uint_1
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%main = OpFunction %void None %3
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%5 = OpLabel
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%idx = OpVariable %_ptr_Function_uint Function
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%s = OpVariable %_ptr_Function_float Function
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%e = OpVariable %_ptr_Function_char Function
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%r = OpVariable %_ptr_Function_float Function
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%11 = OpLoad %uint %gl_LocalInvocationIndex
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OpStore %idx %11
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%12 = OpLoad %uint %idx
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%19 = OpAccessChain %_ptr_PushConstant_uint %_ %int_0
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%20 = OpLoad %uint %19
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%22 = OpULessThan %bool %12 %20
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OpSelectionMerge %24 None
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OpBranchConditional %22 %23 %24
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%23 = OpLabel
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%32 = OpLoad %uint %idx
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%34 = OpAccessChain %_ptr_Uniform_float %__0 %int_0 %32
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%35 = OpLoad %float %34
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OpStore %s %35
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%43 = OpLoad %uint %idx
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%45 = OpAccessChain %_ptr_Uniform_char %__1 %int_0 %43
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%46 = OpLoad %char %45
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OpStore %e %46
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%48 = OpLoad %float %s
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%49 = OpLoad %char %e
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%51 = OpExtInst %float %1 Ldexp %48 %49
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OpStore %r %51
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%56 = OpLoad %uint %idx
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%57 = OpLoad %float %r
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%58 = OpAccessChain %_ptr_Uniform_float %__2 %int_0 %56
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OpStore %58 %57
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OpBranch %24
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%24 = OpLabel
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OpReturn
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OpFunctionEnd
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END
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BUFFER significands DATA_TYPE float DATA
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-1.0
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-1.0
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-1.0
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-1.0
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-1.0
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-1.0
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-1.0
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-1.0
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0.5
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0.5
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0.5
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0.5
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0.5
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0.5
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0.5
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0.5
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1.25
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1.25
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1.25
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1.25
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1.25
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1.25
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1.25
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1.25
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2.0
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2.0
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2.0
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2.0
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2.0
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2.0
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2.0
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2.0
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END
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BUFFER exponents DATA_TYPE int8 DATA
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1
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0
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-1
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-2
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-14
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-123
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-124
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-125
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1
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0
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-1
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-2
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-14
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-123
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-124
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-125
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1
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0
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-1
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-2
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-14
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-123
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-124
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-125
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1
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0
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-1
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-2
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-14
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-123
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-124
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-125
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END
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BUFFER results DATA_TYPE float DATA
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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0.0
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END
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BUFFER pc DATA_TYPE uint32 DATA
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32
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END
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PIPELINE compute pipeline
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ATTACH compute_shader
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BIND BUFFER significands AS storage DESCRIPTOR_SET 0 BINDING 0
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BIND BUFFER exponents AS storage DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER results AS storage DESCRIPTOR_SET 0 BINDING 2
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BIND BUFFER pc AS push_constant
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END
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RUN pipeline 1 1 1
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EXPECT results IDX 0 TOLERANCE .0001 EQ -2.0
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EXPECT results IDX 4 TOLERANCE .0001 EQ -1.0
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EXPECT results IDX 8 TOLERANCE .0001 EQ -0.5
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EXPECT results IDX 12 TOLERANCE .0001 EQ -0.25
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EXPECT results IDX 16 TOLERANCE .0001 EQ -6.103515625e-05
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EXPECT results IDX 20 TOLERANCE .0001 EQ -9.4039548065783e-38
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EXPECT results IDX 24 TOLERANCE .0001 EQ -4.70197740328915e-38
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EXPECT results IDX 28 TOLERANCE .0001 EQ -2.350988701644575e-38
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EXPECT results IDX 32 TOLERANCE .0001 EQ 1.0
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EXPECT results IDX 36 TOLERANCE .0001 EQ 0.5
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EXPECT results IDX 40 TOLERANCE .0001 EQ 0.25
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EXPECT results IDX 44 TOLERANCE .0001 EQ 0.125
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EXPECT results IDX 48 TOLERANCE .0001 EQ 3.0517578125e-05
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EXPECT results IDX 52 TOLERANCE .0001 EQ 4.70197740328915e-38
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EXPECT results IDX 56 TOLERANCE .0001 EQ 2.350988701644575e-38
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EXPECT results IDX 60 TOLERANCE .0001 EQ 1.1754943508222875e-38
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EXPECT results IDX 64 TOLERANCE .0001 EQ 2.5
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EXPECT results IDX 68 TOLERANCE .0001 EQ 1.25
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EXPECT results IDX 72 TOLERANCE .0001 EQ 0.625
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EXPECT results IDX 76 TOLERANCE .0001 EQ 0.3125
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EXPECT results IDX 80 TOLERANCE .0001 EQ 7.62939453125e-05
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EXPECT results IDX 84 TOLERANCE .0001 EQ 1.1754943508222875e-37
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EXPECT results IDX 88 TOLERANCE .0001 EQ 5.877471754111438e-38
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EXPECT results IDX 92 TOLERANCE .0001 EQ 2.938735877055719e-38
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EXPECT results IDX 96 TOLERANCE .0001 EQ 4.0
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EXPECT results IDX 100 TOLERANCE .0001 EQ 2.0
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EXPECT results IDX 104 TOLERANCE .0001 EQ 1.0
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EXPECT results IDX 108 TOLERANCE .0001 EQ 0.5
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EXPECT results IDX 112 TOLERANCE .0001 EQ 0.0001220703125
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EXPECT results IDX 116 TOLERANCE .0001 EQ 1.88079096131566e-37
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EXPECT results IDX 120 TOLERANCE .0001 EQ 9.4039548065783e-38
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EXPECT results IDX 124 TOLERANCE .0001 EQ 4.70197740328915e-38
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