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Add type checks for hitObjectNV (#3689)

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`VK_NV_ray_tracing_invocation_reorder` extension introduces `hitObjectNV`, a special opaque type
that can only be declared without storage qualifiers in either global or function scope.
Added checks/tests to enforce this constraint.

References:
https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_NV_ray_tracing_invocation_reorder.html
3e0d9a3b3f/extensions/nv/GLSL_NV_shader_invocation_reorder.txt (L180)

Co-authored-by: Tianyun <tianyuny@nvidia.com>
This commit is contained in:
dTry 2024-08-08 07:21:00 -07:00 committed by GitHub
parent 5398d55e33
commit 7c4d91e781
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GPG Key ID: B5690EEEBB952194
5 changed files with 48 additions and 0 deletions
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9
Test/baseResults/spv.nv.hitobject-errors.rgen.out Normal file
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@ -0,0 +1,9 @@
spv.nv.hitobject-errors.rgen
ERROR: 0:7: 'hitObjectNV' : hitObjectNV can only be declared in global or function scope with no storage qualifier: uHitObj
ERROR: 0:9: 'hitObjectNV' : hitObjectNV can only be declared in global or function scope with no storage qualifier: hobjIn
ERROR: 0:10: 'hitObjectNV' : hitObjectNV can only be declared in global or function scope with no storage qualifier: hobjOut
ERROR: 0:21: 'hObjWrapper' : struct is not allowed to contain hitObjectNV: wrapper
ERROR: 4 compilation errors. No code generated.
SPIR-V is not generated for failed compile or link

24
Test/spv.nv.hitobject-errors.rgen Normal file
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@ -0,0 +1,24 @@
#version 460
#extension GL_EXT_ray_tracing : enable
#extension GL_NV_shader_invocation_reorder : enable
hitObjectNV hObjGlob; // OK
uniform hitObjectNV uHitObj; // ERROR
layout(location=0) in hitObjectNV hobjIn; // ERROR
out hitObjectNV hobjOut; // ERROR
struct hObjWrapper{
hitObjectNV objField;
vec3 v;
};
void foo(hitObjectNV hObjArg) {} // OK
void main()
{
hObjWrapper wrapper; // ERROR
hitObjectNV localHitObj; // OK
foo(localHitObj); // OK
}

13
glslang/MachineIndependent/ParseHelper.cpp
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@ -3936,6 +3936,18 @@ void TParseContext::accStructCheck(const TSourceLoc& loc, const TType& type, con
}
void TParseContext::hitObjectNVCheck(const TSourceLoc & loc, const TType & type, const TString & identifier)
{
if (type.getBasicType() == EbtStruct && containsFieldWithBasicType(type, EbtHitObjectNV)) {
error(loc, "struct is not allowed to contain hitObjectNV:", type.getTypeName().c_str(), identifier.c_str());
} else if (type.getBasicType() == EbtHitObjectNV) {
TStorageQualifier qualifier = type.getQualifier().storage;
if (qualifier != EvqGlobal && qualifier != EvqTemporary) {
error(loc, "hitObjectNV can only be declared in global or function scope with no storage qualifier:", "hitObjectNV", identifier.c_str());
}
}
}
void TParseContext::transparentOpaqueCheck(const TSourceLoc& loc, const TType& type, const TString& identifier)
{
if (parsingBuiltins)
@ -7875,6 +7887,7 @@ TIntermNode* TParseContext::declareVariable(const TSourceLoc& loc, TString& iden
transparentOpaqueCheck(loc, type, identifier);
atomicUintCheck(loc, type, identifier);
accStructCheck(loc, type, identifier);
hitObjectNVCheck(loc, type, identifier);
checkAndResizeMeshViewDim(loc, type, /*isBlockMember*/ false);
if (type.getQualifier().storage == EvqConst && type.containsReference()) {
error(loc, "variables with reference type can't have qualifier 'const'", "qualifier", "");

1
glslang/MachineIndependent/ParseHelper.h
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@ -397,6 +397,7 @@ public:
void samplerCheck(const TSourceLoc&, const TType&, const TString& identifier, TIntermTyped* initializer);
void atomicUintCheck(const TSourceLoc&, const TType&, const TString& identifier);
void accStructCheck(const TSourceLoc & loc, const TType & type, const TString & identifier);
void hitObjectNVCheck(const TSourceLoc & loc, const TType & type, const TString & identifier);
void transparentOpaqueCheck(const TSourceLoc&, const TType&, const TString& identifier);
void memberQualifierCheck(glslang::TPublicType&);
void globalQualifierFixCheck(const TSourceLoc&, TQualifier&, bool isMemberCheck = false, const TPublicType* publicType = nullptr);

1
gtests/Spv.FromFile.cpp
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@ -710,6 +710,7 @@ INSTANTIATE_TEST_SUITE_P(
// SPV_NV_shader_execution_reorder
"spv.nv.hitobject-errors.rgen",
"spv.nv.hitobject-allops.rgen",
"spv.nv.hitobject-allops.rchit",
"spv.nv.hitobject-allops.rmiss",