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kbz_8
2026-05-06 23:44:13 +02:00
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vulkan/amber/ldexp/ldexp_f32vec2_i32vec2.amber
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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.
SHADER compute compute_shader SPIRV-ASM
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 11
; Bound: 63
; Schema: 0
OpCapability Shader
%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_v2float ArrayStride 8
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_v2int 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_v2float_0 ArrayStride 8
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
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%_ptr_Function_v2float = OpTypePointer Function %v2float
%_runtimearr_v2float = OpTypeRuntimeArray %v2float
%SignificandBlock = OpTypeStruct %_runtimearr_v2float
%_ptr_Uniform_SignificandBlock = OpTypePointer Uniform %SignificandBlock
%__0 = OpVariable %_ptr_Uniform_SignificandBlock Uniform
%_ptr_Uniform_v2float = OpTypePointer Uniform %v2float
%v2int = OpTypeVector %int 2
%_ptr_Function_v2int = OpTypePointer Function %v2int
%_runtimearr_v2int = OpTypeRuntimeArray %v2int
%ExponentsBlock = OpTypeStruct %_runtimearr_v2int
%_ptr_Uniform_ExponentsBlock = OpTypePointer Uniform %ExponentsBlock
%__1 = OpVariable %_ptr_Uniform_ExponentsBlock Uniform
%_ptr_Uniform_v2int = OpTypePointer Uniform %v2int
%_runtimearr_v2float_0 = OpTypeRuntimeArray %v2float
%ResultsBlock = OpTypeStruct %_runtimearr_v2float_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_v2float Function
%e = OpVariable %_ptr_Function_v2int Function
%r = OpVariable %_ptr_Function_v2float 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_v2float %__0 %int_0 %33
%36 = OpLoad %v2float %35
OpStore %s %36
%44 = OpLoad %uint %idx
%46 = OpAccessChain %_ptr_Uniform_v2int %__1 %int_0 %44
%47 = OpLoad %v2int %46
OpStore %e %47
%49 = OpLoad %v2float %s
%50 = OpLoad %v2int %e
%51 = OpExtInst %v2float %1 Ldexp %49 %50
OpStore %r %51
%56 = OpLoad %uint %idx
%57 = OpLoad %v2float %r
%58 = OpAccessChain %_ptr_Uniform_v2float %__2 %int_0 %56
OpStore %58 %57
OpBranch %24
%24 = OpLabel
OpReturn
OpFunctionEnd
END
BUFFER significands DATA_TYPE float 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 int32 DATA
1
0
-1
-2
-14
-2147483643
-2147483644
-2147483645
1
0
-1
-2
-14
-2147483643
-2147483644
-2147483645
1
0
-1
-2
-14
-2147483643
-2147483644
-2147483645
1
0
-1
-2
-14
-2147483643
-2147483644
-2147483645
END
BUFFER results DATA_TYPE float 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
16
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 4 TOLERANCE .0001 EQ -1.0
EXPECT results IDX 8 TOLERANCE .0001 EQ -0.5
EXPECT results IDX 12 TOLERANCE .0001 EQ -0.25
EXPECT results IDX 16 TOLERANCE .0001 EQ -6.103515625e-05
EXPECT results IDX 20 TOLERANCE .0001 EQ -0.0
EXPECT results IDX 24 TOLERANCE .0001 EQ -0.0
EXPECT results IDX 28 TOLERANCE .0001 EQ -0.0
EXPECT results IDX 32 TOLERANCE .0001 EQ 1.0
EXPECT results IDX 36 TOLERANCE .0001 EQ 0.5
EXPECT results IDX 40 TOLERANCE .0001 EQ 0.25
EXPECT results IDX 44 TOLERANCE .0001 EQ 0.125
EXPECT results IDX 48 TOLERANCE .0001 EQ 3.0517578125e-05
EXPECT results IDX 52 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 56 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 60 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 64 TOLERANCE .0001 EQ 2.5
EXPECT results IDX 68 TOLERANCE .0001 EQ 1.25
EXPECT results IDX 72 TOLERANCE .0001 EQ 0.625
EXPECT results IDX 76 TOLERANCE .0001 EQ 0.3125
EXPECT results IDX 80 TOLERANCE .0001 EQ 7.62939453125e-05
EXPECT results IDX 84 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 88 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 92 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 96 TOLERANCE .0001 EQ 4.0
EXPECT results IDX 100 TOLERANCE .0001 EQ 2.0
EXPECT results IDX 104 TOLERANCE .0001 EQ 1.0
EXPECT results IDX 108 TOLERANCE .0001 EQ 0.5
EXPECT results IDX 112 TOLERANCE .0001 EQ 0.0001220703125
EXPECT results IDX 116 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 120 TOLERANCE .0001 EQ 0.0
EXPECT results IDX 124 TOLERANCE .0001 EQ 0.0