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SPV: Add NonUniform decorations for stores.

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The direct pointer argument to stores has to use
the NonUniform decoration but we were not using
qualifiers at all to decorate the NonUniform pointer.

(Test fixes by Greg Fischer <greg@lunarg.com>)
This commit is contained in:
Bas Nieuwenhuizen
2020-08-24 23:27:26 +02:00
parent 517f39eee4
commit de949a2afc
4 changed files with 16 additions and 6 deletions
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11
SPIRV/GlslangToSpv.cpp
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@@ -2292,7 +2292,8 @@ bool TGlslangToSpvTraverser::visitUnary(glslang::TVisit /* visit */, glslang::TI
// The result of operation is always stored, but conditionally the
// consumed result. The consumed result is always an r-value.
builder.accessChainStore(result);
builder.accessChainStore(result,
TranslateNonUniformDecoration(node->getOperand()->getType().getQualifier()));
builder.clearAccessChain();
if (node->getOp() == glslang::EOpPreIncrement ||
node->getOp() == glslang::EOpPreDecrement)
@@ -2368,6 +2369,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
spv::Id invertedType = spv::NoType; // to use to override the natural type of the node
std::vector<spv::Builder::AccessChain> complexLvalues; // for holding swizzling l-values too complex for
// SPIR-V, for an out parameter
std::vector<glslang::TQualifier> complexLValueQualifiers;
std::vector<spv::Id> temporaryLvalues; // temporaries to pass, as proxies for complexLValues
auto resultType = [&invertedType, &node, this](){ return invertedType != spv::NoType ?
@@ -2985,6 +2987,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
// receive the result, and must later swizzle that into the original
// l-value.
complexLvalues.push_back(builder.getAccessChain());
complexLValueQualifiers.push_back(glslangOperands[arg]->getAsTyped()->getType().getQualifier());
temporaryLvalues.push_back(builder.createVariable(
spv::NoPrecision, spv::StorageClassFunction,
builder.accessChainGetInferredType(), "swizzleTemp"));
@@ -3089,7 +3092,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
for (unsigned int i = 0; i < temporaryLvalues.size(); ++i) {
builder.setAccessChain(complexLvalues[i]);
builder.accessChainStore(builder.createLoad(temporaryLvalues[i], spv::NoPrecision));
builder.accessChainStore(builder.createLoad(temporaryLvalues[i], spv::NoPrecision), TranslateNonUniformDecoration(complexLValueQualifiers[i]));
}
}
@@ -4154,7 +4157,7 @@ void TGlslangToSpvTraverser::accessChainStore(const glslang::TType& type, spv::I
unsigned int alignment = builder.getAccessChain().alignment;
alignment |= type.getBufferReferenceAlignment();
builder.accessChainStore(rvalue,
builder.accessChainStore(rvalue, TranslateNonUniformDecoration(type.getQualifier()),
spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) &
~spv::MemoryAccessMakePointerVisibleKHRMask),
TranslateMemoryScope(coherentFlags), alignment);
@@ -5239,7 +5242,7 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
builder.accessChainPush(builder.makeIntConstant(i), flags, 0);
builder.accessChainStore(builder.createCompositeExtract(res, builder.getContainedTypeId(resType, i+1),
i+1));
i+1), TranslateNonUniformDecoration(imageType.getQualifier()));
}
return builder.createCompositeExtract(res, resultType(), 0);
}

4
SPIRV/SpvBuilder.cpp
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@@ -2666,12 +2666,14 @@ void Builder::accessChainPushSwizzle(std::vector<unsigned>& swizzle, Id preSwizz
}
// Comments in header
void Builder::accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess, spv::Scope scope, unsigned int alignment)
void Builder::accessChainStore(Id rvalue, Decoration nonUniform, spv::MemoryAccessMask memoryAccess, spv::Scope scope, unsigned int alignment)
{
assert(accessChain.isRValue == false);
transferAccessChainSwizzle(true);
Id base = collapseAccessChain();
addDecoration(base, nonUniform);
Id source = rvalue;
// dynamic component should be gone

3
SPIRV/SpvBuilder.h
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@@ -714,7 +714,8 @@ public:
}
// use accessChain and swizzle to store value
void accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone,
void accessChainStore(Id rvalue, Decoration nonUniform,
spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone,
spv::Scope scope = spv::ScopeMax, unsigned int alignment = 0);
// use accessChain and swizzle to load an r-value