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Allow more levels of arrays with component decoration (#5820)

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Fixes #5819

* Allow multiple levels of arrays in a variable with component
  decoration
This commit is contained in:
alan-baker 2024-09-24 11:14:28 -04:00 committed by GitHub
parent 24849751c4
commit 362ce7c60d
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GPG Key ID: B5690EEEBB952194
2 changed files with 74 additions and 1 deletions
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2
source/val/validate_decorations.cpp
View File

@ -1876,7 +1876,7 @@ spv_result_t CheckComponentDecoration(ValidationState_t& vstate,
if (spvIsVulkanEnv(vstate.context()->target_env)) {
// Strip the array, if present.
if (vstate.GetIdOpcode(type_id) == spv::Op::OpTypeArray) {
while (vstate.GetIdOpcode(type_id) == spv::Op::OpTypeArray) {
type_id = vstate.FindDef(type_id)->word(2u);
}

73
test/val/val_decoration_test.cpp
View File

@ -10364,6 +10364,79 @@ OpFunctionEnd
HasSubstr("member 0 is missing an Offset decoration"));
}
TEST_F(ValidateDecorations, ComponentMultipleArrays) {
const std::string spirv = R"(
OpCapability Tessellation
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint TessellationEvaluation %main "main" %_ %FOO %FOO0
OpExecutionMode %main Triangles
OpExecutionMode %main SpacingEqual
OpExecutionMode %main VertexOrderCcw
OpSource GLSL 460
OpSourceExtension "GL_EXT_nonuniform_qualifier"
OpName %main "main"
OpName %gl_PerVertex "gl_PerVertex"
OpMemberName %gl_PerVertex 0 "gl_Position"
OpMemberName %gl_PerVertex 1 "gl_PointSize"
OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
OpMemberName %gl_PerVertex 3 "gl_CullDistance"
OpName %_ ""
OpName %FOO "FOO"
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
OpDecorate %gl_PerVertex Block
OpDecorate %FOO Component 2
OpDecorate %FOO Location 1
OpDecorate %FOO0 Location 1
OpDecorate %FOO0 Component 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%uint = OpTypeInt 32 0
%uint_1 = OpConstant %uint 1
%_arr_float_uint_1 = OpTypeArray %float %uint_1
%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
%_ = OpVariable %_ptr_Output_gl_PerVertex Output
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%v2float = OpTypeVector %float 2
%uint_2 = OpConstant %uint 2
%_arr_v2float_uint_2 = OpTypeArray %v2float %uint_2
%uint_32 = OpConstant %uint 32
%_arr__arr_v2float_uint_2_uint_32 = OpTypeArray %_arr_v2float_uint_2 %uint_32
%_ptr_Input__arr__arr_v2float_uint_2_uint_32 = OpTypePointer Input %_arr__arr_v2float_uint_2_uint_32
%FOO = OpVariable %_ptr_Input__arr__arr_v2float_uint_2_uint_32 Input
%FOO0 = OpVariable %_ptr_Input__arr__arr_v2float_uint_2_uint_32 Input
%_ptr_Input_v2float = OpTypePointer Input %v2float
%int_1 = OpConstant %int 1
%uint_0 = OpConstant %uint 0
%_ptr_Output_float = OpTypePointer Output %float
%main = OpFunction %void None %3
%5 = OpLabel
%24 = OpAccessChain %_ptr_Input_v2float %FOO %int_0 %int_0
%25 = OpLoad %v2float %24
%27 = OpAccessChain %_ptr_Input_v2float %FOO0 %int_1 %int_1
%28 = OpLoad %v2float %27
%29 = OpFAdd %v2float %25 %28
%32 = OpAccessChain %_ptr_Output_float %_ %int_0 %uint_0
%33 = OpCompositeExtract %float %29 0
OpStore %32 %33
%34 = OpAccessChain %_ptr_Output_float %_ %int_0 %uint_1
%35 = OpCompositeExtract %float %29 1
OpStore %34 %35
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_0);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions(SPV_ENV_VULKAN_1_0));
}
} // namespace
} // namespace val
} // namespace spvtools