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Add GL_OES_standard_derivatives. Also added extension infrastructure that allows built-in symbols to be tagged with extensions and automatically error checked against them.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24002 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-11 20:31:45 +00:00
parent 115a0adc29
commit 06a37c3964
9 changed files with 150 additions and 13 deletions
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21
glslang/MachineIndependent/SymbolTable.cpp
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@ -207,6 +207,23 @@ void TSymbolTableLevel::relateToOperator(const char* name, TOperator op)
}
}
// Make all function overloads of the given name require an extension(s).
// Should only be used for a version/profile that actually needs the extension(s).
void TSymbolTableLevel::setFunctionExtensions(const char* name, int num, const char* const extensions[])
{
tLevel::const_iterator candidate = level.lower_bound(name);
while (candidate != level.end()) {
const TString& candidateName = (*candidate).first;
TString::size_type parenAt = candidateName.find_first_of('(');
if (parenAt != candidateName.npos && candidateName.compare(0, parenAt, name) == 0) {
TSymbol* symbol = candidate->second;
symbol->setExtensions(num, extensions);
} else
break;
++candidate;
}
}
//
// Make all symbols in this table level read only.
//
@ -230,6 +247,8 @@ TVariable::TVariable(const TVariable& copyOf) : TSymbol(copyOf)
{
type.deepCopy(copyOf.type);
userType = copyOf.userType;
extensions = 0;
setExtensions(copyOf.numExtensions, copyOf.extensions);
if (! copyOf.unionArray.empty()) {
assert(!copyOf.type.getStruct());
@ -255,6 +274,8 @@ TFunction::TFunction(const TFunction& copyOf) : TSymbol(copyOf)
parameters.back().copyParam(copyOf.parameters[i]);
}
extensions = 0;
setExtensions(copyOf.numExtensions, copyOf.extensions);
returnType.deepCopy(copyOf.returnType);
mangledName = copyOf.mangledName;
op = copyOf.op;