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kbz_8
2026-05-06 23:44:13 +02:00
parent a5f787d80f
commit fd7038b853
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vulkan/amber/spirv_assembly/instruction/compute/undef/undefined_constant_composite.amber
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#!amber
# Copyright 2020 Valve Corporation.
# Copyright 2020 The Khronos Group Inc.
#
# 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 comp SPIRV-ASM
;
; The shader below is based on the following GLSL shader:
;
; #version 450
;
; struct Pair {
; int first;
; int second;
; };
;
; const Pair constant_pair = { 100, 200 };
;
; layout(set=0, binding=0, std430) buffer InputBlock {
; int array[10];
; } inputValues;
;
; layout(set=0, binding=1, std430) buffer OutputBlock {
; int array[10];
; } outputValues;
;
; int add_second (int value, Pair pair) {
; return value + pair.second;
; }
;
; void main() {
; uint idx = gl_GlobalInvocationID.x;
; outputValues.array[idx] = add_second(inputValues.array[idx], constant_pair);
; }
;
; However, the first element of constant_pair has been modified to be undefined.
;
OpCapability Shader
%std450 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main" %gl_GlobalInvocationID
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId
OpDecorate %_arr_int_uint_10 ArrayStride 4
OpMemberDecorate %OutputBlock 0 Offset 0
OpDecorate %OutputBlock BufferBlock
OpDecorate %outputValues DescriptorSet 0
OpDecorate %outputValues Binding 1
OpMemberDecorate %InputBlock 0 Offset 0
OpDecorate %InputBlock BufferBlock
OpDecorate %inputValues DescriptorSet 0
OpDecorate %inputValues Binding 0
%void = OpTypeVoid
%void_func = OpTypeFunction %void
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%int_0 = OpConstant %int 0
%int_1 = OpConstant %int 1
%int_200 = OpConstant %int 200
%uint_0 = OpConstant %uint 0
%uint_10 = OpConstant %uint 10
%_ptr_Function_int = OpTypePointer Function %int
%Pair = OpTypeStruct %int %int
%_ptr_Function_Pair = OpTypePointer Function %Pair
%add_second_func_type = OpTypeFunction %int %_ptr_Function_int %_ptr_Function_Pair
%_ptr_Function_uint = OpTypePointer Function %uint
%_ptr_Input_v3uint = OpTypePointer Input %v3uint
%_ptr_Input_uint = OpTypePointer Input %uint
%_arr_int_uint_10 = OpTypeArray %int %uint_10
%OutputBlock = OpTypeStruct %_arr_int_uint_10
%_ptr_Uniform_OutputBlock = OpTypePointer Uniform %OutputBlock
%outputValues = OpVariable %_ptr_Uniform_OutputBlock Uniform
%InputBlock = OpTypeStruct %_arr_int_uint_10
%_ptr_Uniform_InputBlock = OpTypePointer Uniform %InputBlock
%inputValues = OpVariable %_ptr_Uniform_InputBlock Uniform
; Replaced %int_100 with an undefined int.
%undef_int = OpUndef %int
; Composed a constant Pair with the undefined int in the first member.
%const_Pair = OpConstantComposite %Pair %undef_int %int_200
%_ptr_Uniform_int = OpTypePointer Uniform %int
%gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint Input
%main = OpFunction %void None %void_func
%main_label = OpLabel
%param_1 = OpVariable %_ptr_Function_int Function
%param_2 = OpVariable %_ptr_Function_Pair Function
%gidx_ptr = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %uint_0
%gidx = OpLoad %uint %gidx_ptr
%input_value_ptr = OpAccessChain %_ptr_Uniform_int %inputValues %int_0 %gidx
%input_value = OpLoad %int %input_value_ptr
OpStore %param_1 %input_value
OpStore %param_2 %const_Pair
%retval = OpFunctionCall %int %add_second %param_1 %param_2
%output_value_ptr = OpAccessChain %_ptr_Uniform_int %outputValues %int_0 %gidx
OpStore %output_value_ptr %retval
OpReturn
OpFunctionEnd
%add_second = OpFunction %int None %add_second_func_type
%value_ptr = OpFunctionParameter %_ptr_Function_int
%pair = OpFunctionParameter %_ptr_Function_Pair
%add_second_label = OpLabel
%value = OpLoad %int %value_ptr
; Access the second struct member, which is defined.
%pair_second_ptr = OpAccessChain %_ptr_Function_int %pair %int_1
%pair_second = OpLoad %int %pair_second_ptr
%add_result = OpIAdd %int %value %pair_second
OpReturnValue %add_result
OpFunctionEnd
END
BUFFER input_buffer DATA_TYPE int32 SIZE 10 SERIES_FROM 1000 INC_BY 1
BUFFER output_buffer DATA_TYPE int32 SIZE 10 FILL 0
BUFFER reference_buffer DATA_TYPE int32 SIZE 10 SERIES_FROM 1200 INC_BY 1
PIPELINE compute compute_pipeline
ATTACH comp
BIND BUFFER input_buffer AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER output_buffer AS storage DESCRIPTOR_SET 0 BINDING 1
END
RUN compute_pipeline 10 1 1
EXPECT output_buffer EQ_BUFFER reference_buffer
vulkan/amber/spirv_assembly/instruction/compute/undef/undefined_spec_constant_composite.amber
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#!amber
# Copyright 2020 Valve Corporation.
# Copyright 2020 The Khronos Group Inc.
#
# 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 comp SPIRV-ASM
;
; The shader below is based on the following GLSL shader:
;
; #version 450
;
; struct Pair {
; int first;
; int second;
; };
;
; const Pair constant_pair = { 100, 200 };
;
; layout (constant_id=0) const int constantFirst = 0;
;
; Pair spec_constant_pair = { constantFirst, 200 };
;
; layout(set=0, binding=0, std430) buffer InputBlock {
; int array[10];
; } inputValues;
;
; layout(set=0, binding=1, std430) buffer OutputBlock {
; int array[10];
; } outputValues;
;
; int add_first_and_second (int value, Pair p1, Pair p2) {
; return value + p1.first + p2.second;
; }
;
; void main() {
; uint idx = gl_GlobalInvocationID.x;
; outputValues.array[idx] = add_first_and_second(inputValues.array[idx], spec_constant_pair, constant_pair);
; }
;
; However, both the constant_pair and the spec_constant_pair have one of their members replaced by undefined values.
;
OpCapability Shader
%std450 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main" %gl_GlobalInvocationID
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId
OpDecorate %_arr_int_uint_10 ArrayStride 4
OpMemberDecorate %OutputBlock 0 Offset 0
OpDecorate %OutputBlock BufferBlock
OpDecorate %outputValues DescriptorSet 0
OpDecorate %outputValues Binding 1
OpMemberDecorate %InputBlock 0 Offset 0
OpDecorate %InputBlock BufferBlock
OpDecorate %inputValues DescriptorSet 0
OpDecorate %inputValues Binding 0
OpDecorate %spec_constant SpecId 0
%void = OpTypeVoid
%void_func = OpTypeFunction %void
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%int_0 = OpConstant %int 0
%int_1 = OpConstant %int 1
%int_200 = OpConstant %int 200
%uint_0 = OpConstant %uint 0
%uint_10 = OpConstant %uint 10
%_ptr_Function_int = OpTypePointer Function %int
%Pair = OpTypeStruct %int %int
%_ptr_Function_Pair = OpTypePointer Function %Pair
%add_pair_members_func_type = OpTypeFunction %int %_ptr_Function_int %_ptr_Function_Pair %_ptr_Function_Pair
%_ptr_Function_uint = OpTypePointer Function %uint
%_ptr_Input_v3uint = OpTypePointer Input %v3uint
%_ptr_Input_uint = OpTypePointer Input %uint
%_arr_int_uint_10 = OpTypeArray %int %uint_10
%OutputBlock = OpTypeStruct %_arr_int_uint_10
%_ptr_Uniform_OutputBlock = OpTypePointer Uniform %OutputBlock
%outputValues = OpVariable %_ptr_Uniform_OutputBlock Uniform
%InputBlock = OpTypeStruct %_arr_int_uint_10
%_ptr_Uniform_InputBlock = OpTypePointer Uniform %InputBlock
%inputValues = OpVariable %_ptr_Uniform_InputBlock Uniform
; Replaced %int_100 with an undefined int.
%undef_int = OpUndef %int
; Composed a spec constant Pair with an undefined int in the second member.
%spec_constant = OpSpecConstant %int 0
%spec_const_Pair = OpSpecConstantComposite %Pair %spec_constant %undef_int
; Composed a constant Pair with the undefined int in the first member.
%const_Pair = OpConstantComposite %Pair %undef_int %int_200
%_ptr_Uniform_int = OpTypePointer Uniform %int
%gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint Input
%main = OpFunction %void None %void_func
%main_label = OpLabel
%param_1 = OpVariable %_ptr_Function_int Function
%param_2 = OpVariable %_ptr_Function_Pair Function
%param_3 = OpVariable %_ptr_Function_Pair Function
%gidx_ptr = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %uint_0
%gidx = OpLoad %uint %gidx_ptr
%input_value_ptr = OpAccessChain %_ptr_Uniform_int %inputValues %int_0 %gidx
%input_value = OpLoad %int %input_value_ptr
OpStore %param_1 %input_value
OpStore %param_2 %spec_const_Pair
OpStore %param_3 %const_Pair
; Pass the input value as the first argument.
; Pass the specialization constant Pair as the second argument.
; Pass the constant Pair as the third argument.
%retval = OpFunctionCall %int %add_pair_members %param_1 %param_2 %param_3
%output_value_ptr = OpAccessChain %_ptr_Uniform_int %outputValues %int_0 %gidx
OpStore %output_value_ptr %retval
OpReturn
OpFunctionEnd
%add_pair_members = OpFunction %int None %add_pair_members_func_type
%value_ptr = OpFunctionParameter %_ptr_Function_int
%pair_1 = OpFunctionParameter %_ptr_Function_Pair
%pair_2 = OpFunctionParameter %_ptr_Function_Pair
%add_pair_members_label = OpLabel
%value = OpLoad %int %value_ptr
; Access the first struct member from the first pair.
; Access the second struct member from the second pair.
; Both should be defined according to the function call above.
%pair_1_first_ptr = OpAccessChain %_ptr_Function_int %pair_1 %int_0
%pair_2_second_ptr = OpAccessChain %_ptr_Function_int %pair_2 %int_1
%pair_1_first = OpLoad %int %pair_1_first_ptr
%pair_2_second = OpLoad %int %pair_2_second_ptr
%partial_result = OpIAdd %int %value %pair_1_first
%final_result = OpIAdd %int %partial_result %pair_2_second
OpReturnValue %final_result
OpFunctionEnd
END
BUFFER input_buffer DATA_TYPE int32 SIZE 10 SERIES_FROM 1000 INC_BY 1
BUFFER output_buffer DATA_TYPE int32 SIZE 10 FILL 0
BUFFER reference_buffer DATA_TYPE int32 SIZE 10 SERIES_FROM 1600 INC_BY 1
PIPELINE compute compute_pipeline
ATTACH comp SPECIALIZE 0 AS int32 400
BIND BUFFER input_buffer AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER output_buffer AS storage DESCRIPTOR_SET 0 BINDING 1
END
RUN compute_pipeline 10 1 1
EXPECT output_buffer EQ_BUFFER reference_buffer