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Merge pull request #852 from steve-lunarg/declared-builtin

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track declared builtin type
This commit is contained in:
John Kessenich
2017-05-16 10:38:32 -06:00
committed by GitHub
parent 1a010b8368 a4bfed129f
commit b29cc30cdb
4 changed files with 21 additions and 35 deletions
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2
glslang/Include/Types.h
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@@ -400,6 +400,7 @@ public:
invariant = false;
noContraction = false;
makeTemporary();
declaredBuiltIn = EbvNone;
}
// drop qualifiers that don't belong in a temporary variable
@@ -457,6 +458,7 @@ public:
const char* semanticName;
TStorageQualifier storage : 6;
TBuiltInVariable builtIn : 8;
TBuiltInVariable declaredBuiltIn : 8;
TPrecisionQualifier precision : 3;
bool invariant : 1; // require canonical treatment for cross-shader invariance
bool noContraction: 1; // prevent contraction and reassociation, e.g., for 'precise' keyword, and expressions it affects

4
glslang/MachineIndependent/SymbolTable.h
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@@ -198,7 +198,6 @@ struct TParameter {
TString *name;
TType* type;
TIntermTyped* defaultValue;
TBuiltInVariable declaredBuiltIn;
void copyParam(const TParameter& param)
{
if (param.name)
@@ -207,8 +206,8 @@ struct TParameter {
name = 0;
type = param.type->clone();
defaultValue = param.defaultValue;
declaredBuiltIn = param.declaredBuiltIn;
}
TBuiltInVariable getDeclaredBuiltIn() const { return type->getQualifier().declaredBuiltIn; }
};
//
@@ -241,7 +240,6 @@ public:
virtual void addParameter(TParameter& p)
{
assert(writable);
p.declaredBuiltIn = p.type->getQualifier().builtIn;
parameters.push_back(p);
p.type->appendMangledName(mangledName);

47
hlsl/hlslParseHelper.cpp
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@@ -1985,7 +1985,7 @@ TIntermNode* HlslParseContext::transformEntryPoint(const TSourceLoc& loc, TFunct
// GS outputs are via emit, so we do not copy them here.
if (param.type->getQualifier().isParamOutput()) {
if (param.declaredBuiltIn == EbvGsOutputStream) {
if (param.getDeclaredBuiltIn() == EbvGsOutputStream) {
// GS output stream does not assign outputs here: it's the Append() method
// which writes to the output, probably multiple times separated by Emit.
// We merely remember the output to use, here.
@@ -2092,7 +2092,7 @@ void HlslParseContext::remapEntryPointIO(TFunction& function, TVariable*& return
TVariable* argAsGlobal = makeIoVariable(function[i].name->c_str(), paramType, EvqVaryingIn);
inputs.push_back(argAsGlobal);
if (function[i].declaredBuiltIn == EbvInputPatch)
if (function[i].getDeclaredBuiltIn() == EbvInputPatch)
inputPatch = argAsGlobal;
}
if (paramType.getQualifier().isParamOutput()) {
@@ -2481,13 +2481,9 @@ TIntermAggregate* HlslParseContext::handleSamplerTextureCombine(const TSourceLoc
}
// Return true if this a buffer type that has an associated counter buffer.
bool HlslParseContext::hasStructBuffCounter(const TString& name) const
bool HlslParseContext::hasStructBuffCounter(const TType& type) const
{
const auto bivIt = structBufferBuiltIn.find(name);
if (bivIt == structBufferBuiltIn.end())
return false;
switch (bivIt->second) {
switch (type.getQualifier().declaredBuiltIn) {
case EbvAppendConsume: // fall through...
case EbvRWStructuredBuffer: // ...
return true;
@@ -2503,7 +2499,7 @@ void HlslParseContext::declareStructBufferCounter(const TSourceLoc& loc, const T
if (! isStructBufferType(bufferType))
return;
if (! hasStructBuffCounter(name))
if (! hasStructBuffCounter(bufferType))
return;
// Counter type
@@ -2574,8 +2570,6 @@ void HlslParseContext::decomposeStructBufferMethods(const TSourceLoc& loc, TInte
if (bufferObj == nullptr || bufferObj->getAsSymbolNode() == nullptr)
return;
const TString bufferName(bufferObj->getAsSymbolNode()->getName());
// Some methods require a hidden internal counter, obtained via getStructBufferCounter().
// This lambda adds something to it and returns the old value.
const auto incDecCounter = [&](int incval) -> TIntermTyped* {
@@ -2604,20 +2598,14 @@ void HlslParseContext::decomposeStructBufferMethods(const TSourceLoc& loc, TInte
{
TIntermTyped* argIndex = makeIntegerIndex(argAggregate->getSequence()[1]->getAsTyped()); // index
const auto bivIt = structBufferBuiltIn.find(bufferName);
const TBuiltInVariable builtInType = (bivIt != structBufferBuiltIn.end()) ? bivIt->second : EbvNone;
const TType& bufferType = bufferObj->getType();
const TBuiltInVariable builtInType = bufferType.getQualifier().declaredBuiltIn;
// Byte address buffers index in bytes (only multiples of 4 permitted... not so much a byte address
// buffer then, but that's what it calls itself.
// TODO: it would be easier to track the declared (pre-sanitized) builtInType in the TType.
// If/when that happens, this should be simplified to look *only* at the builtin type.
const bool isByteAddressBuffer = (builtInType == EbvByteAddressBuffer ||
builtInType == EbvRWByteAddressBuffer ||
(builtInType == EbvNone && !bufferType.isVector() &&
bufferType.getBasicType() == EbtUint));
builtInType == EbvRWByteAddressBuffer);
if (isByteAddressBuffer)
@@ -7234,10 +7222,6 @@ void HlslParseContext::declareBlock(const TSourceLoc& loc, TType& type, const TS
switch (type.getQualifier().storage) {
case EvqUniform:
case EvqBuffer:
// remember pre-sanitized builtin type
if (type.getQualifier().storage == EvqBuffer && instanceName != nullptr)
structBufferBuiltIn[*instanceName] = type.getQualifier().builtIn;
correctUniform(type.getQualifier());
break;
case EvqVaryingIn:
@@ -8043,6 +8027,9 @@ void HlslParseContext::correctOutput(TQualifier& qualifier)
// Make the IO decorations etc. be appropriate only for uniform type interfaces.
void HlslParseContext::correctUniform(TQualifier& qualifier)
{
if (qualifier.declaredBuiltIn == EbvNone)
qualifier.declaredBuiltIn = qualifier.builtIn;
qualifier.builtIn = EbvNone;
qualifier.clearInterstage();
qualifier.clearInterstageLayout();
@@ -8111,8 +8098,8 @@ void HlslParseContext::addPatchConstantInvocation()
if (storage == EvqConstReadOnly) // treated identically to input
storage = EvqIn;
if (function[p].declaredBuiltIn != EbvNone)
builtIns.insert(HlslParseContext::tInterstageIoData(function[p].declaredBuiltIn, storage));
if (function[p].getDeclaredBuiltIn() != EbvNone)
builtIns.insert(HlslParseContext::tInterstageIoData(function[p].getDeclaredBuiltIn(), storage));
else
builtIns.insert(HlslParseContext::tInterstageIoData(function[p].type->getQualifier().builtIn, storage));
}
@@ -8142,7 +8129,7 @@ void HlslParseContext::addPatchConstantInvocation()
const auto isOutputPatch = [this](TFunction& patchConstantFunction, int param) {
const TType& type = *patchConstantFunction[param].type;
const TBuiltInVariable biType = patchConstantFunction[param].declaredBuiltIn;
const TBuiltInVariable biType = patchConstantFunction[param].getDeclaredBuiltIn();
return type.isArray() && !type.isRuntimeSizedArray() && biType == EbvOutputPatch;
};
@@ -8198,7 +8185,7 @@ void HlslParseContext::addPatchConstantInvocation()
// Now we'll add those to the entry and to the linkage.
for (int p=0; p<pcfParamCount; ++p) {
const TBuiltInVariable biType = patchConstantFunction[p].declaredBuiltIn;
const TBuiltInVariable biType = patchConstantFunction[p].getDeclaredBuiltIn();
TStorageQualifier storage = patchConstantFunction[p].type->getQualifier().storage;
// Track whether there is an output patch param
@@ -8264,7 +8251,7 @@ void HlslParseContext::addPatchConstantInvocation()
inputArg = intermediate.addSymbol(*perCtrlPtVar, loc);
} else {
// find which builtin it is
const TBuiltInVariable biType = patchConstantFunction[p].declaredBuiltIn;
const TBuiltInVariable biType = patchConstantFunction[p].getDeclaredBuiltIn();
inputArg = findLinkageSymbol(biType);
@@ -8345,7 +8332,7 @@ void HlslParseContext::addPatchConstantInvocation()
if (paramType.getQualifier().isParamInput()) {
TIntermTyped* arg = nullptr;
if ((*entryPointFunction)[i].declaredBuiltIn == EbvInvocationId) {
if ((*entryPointFunction)[i].getDeclaredBuiltIn() == EbvInvocationId) {
// substitute invocation ID with the array element ID
arg = intermediate.addConstantUnion(cpt, loc);
} else {

3
hlsl/hlslParseHelper.h
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@@ -289,7 +289,7 @@ protected:
bool isReference(const TType& type) const { return isStructBufferType(type); }
// Return true if this a buffer type that has an associated counter buffer.
bool hasStructBuffCounter(const TString& name) const;
bool hasStructBuffCounter(const TType&) const;
// Finalization step: remove unused buffer blocks from linkage (we don't know until the
// shader is entirely compiled)
@@ -383,7 +383,6 @@ protected:
// Structuredbuffer shared types. Typically there are only a few.
TVector<TType*> structBufferTypes;
TMap<TString, TBuiltInVariable> structBufferBuiltIn;
TMap<TString, bool> structBufferCounter;
// The builtin interstage IO map considers e.g, EvqPosition on input and output separately, so that we