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Fix default precision check for formal parameters; it was one level too deep. This will accept more fragment shaders with no default precision before declaring functions.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@29281 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-12-21 20:30:04 +00:00
parent 33a5423f76
commit c311d35500
3 changed files with 48 additions and 46 deletions
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20
glslang/MachineIndependent/ParseHelper.cpp
View File

@ -2266,27 +2266,27 @@ TPrecisionQualifier TParseContext::getDefaultPrecision(TPublicType& publicType)
return defaultPrecision[publicType.basicType];
}
void TParseContext::precisionQualifierCheck(TSourceLoc loc, TPublicType& publicType)
void TParseContext::precisionQualifierCheck(TSourceLoc loc, TBasicType baseType, TQualifier& qualifier)
{
// Built-in symbols are allowed some ambiguous precisions, to be pinned down
// later by context.
if (profile != EEsProfile || parsingBuiltins)
return;
if (publicType.basicType == EbtAtomicUint && publicType.qualifier.precision != EpqNone && publicType.qualifier.precision != EpqHigh)
if (baseType == EbtAtomicUint && qualifier.precision != EpqNone && qualifier.precision != EpqHigh)
error(loc, "atomic counters can only be highp", "atomic_uint", "");
if (publicType.basicType == EbtFloat || publicType.basicType == EbtUint || publicType.basicType == EbtInt || publicType.basicType == EbtSampler || publicType.basicType == EbtAtomicUint) {
if (publicType.qualifier.precision == EpqNone) {
if (baseType == EbtFloat || baseType == EbtUint || baseType == EbtInt || baseType == EbtSampler || baseType == EbtAtomicUint) {
if (qualifier.precision == EpqNone) {
if (messages & EShMsgRelaxedErrors)
warn(loc, "type requires declaration of default precision qualifier", TType::getBasicString(publicType.basicType), "substituting 'mediump'");
warn(loc, "type requires declaration of default precision qualifier", TType::getBasicString(baseType), "substituting 'mediump'");
else
error(loc, "type requires declaration of default precision qualifier", TType::getBasicString(publicType.basicType), "");
publicType.qualifier.precision = EpqMedium;
defaultPrecision[publicType.basicType] = EpqMedium;
error(loc, "type requires declaration of default precision qualifier", TType::getBasicString(baseType), "");
qualifier.precision = EpqMedium;
defaultPrecision[baseType] = EpqMedium;
}
} else if (publicType.qualifier.precision != EpqNone)
error(loc, "type cannot have precision qualifier", TType::getBasicString(publicType.basicType), "");
} else if (qualifier.precision != EpqNone)
error(loc, "type cannot have precision qualifier", TType::getBasicString(baseType), "");
}
void TParseContext::parameterTypeCheck(TSourceLoc loc, TStorageQualifier qualifier, const TType& type)

2
glslang/MachineIndependent/ParseHelper.h
View File

@ -138,7 +138,7 @@ public:
void setDefaultPrecision(TSourceLoc, TPublicType&, TPrecisionQualifier);
int computeSamplerTypeIndex(TSampler&);
TPrecisionQualifier getDefaultPrecision(TPublicType&);
void precisionQualifierCheck(TSourceLoc, TPublicType&);
void precisionQualifierCheck(TSourceLoc, TBasicType, TQualifier&);
void parameterTypeCheck(TSourceLoc, TStorageQualifier qualifier, const TType& type);
bool containsFieldWithBasicType(const TType& type ,TBasicType basicType);
TSymbol* redeclareBuiltinVariable(TSourceLoc, const TString&, const TQualifier&, const TShaderQualifiers&, bool& newDeclaration);

16
glslang/MachineIndependent/glslang.y
View File

@ -809,7 +809,6 @@ parameter_declarator
parseContext.error($2.loc, "illegal use of type 'void'", $2.string->c_str(), "");
}
parseContext.reservedErrorCheck($2.loc, *$2.string);
parseContext.precisionQualifierCheck($1.loc, $1);
TParameter param = {$2.string, new TType($1)};
$$.loc = $2.loc;
@ -825,7 +824,6 @@ parameter_declarator
parseContext.arraySizeRequiredCheck($3.loc, $3.arraySizes->getSize());
parseContext.reservedErrorCheck($2.loc, *$2.string);
parseContext.precisionQualifierCheck($1.loc, $1);
$1.arraySizes = $3.arraySizes;
@ -843,16 +841,19 @@ parameter_declaration
$$ = $2;
if ($1.qualifier.precision != EpqNone)
$$.param.type->getQualifier().precision = $1.qualifier.precision;
parseContext.precisionQualifierCheck($$.loc, $$.param.type->getBasicType(), $$.param.type->getQualifier());
parseContext.checkNoShaderLayouts($1.loc, $1.shaderQualifiers);
parseContext.parameterTypeCheck($2.loc, $1.qualifier.storage, *$$.param.type);
parseContext.paramCheckFix($1.loc, $1.qualifier, *$$.param.type);
}
| parameter_declarator {
$$ = $1;
parseContext.parameterTypeCheck($1.loc, EvqIn, *$1.param.type);
parseContext.paramCheckFix($1.loc, EvqTemporary, *$$.param.type);
parseContext.precisionQualifierCheck($$.loc, $$.param.type->getBasicType(), $$.param.type->getQualifier());
}
//
// Without name
@ -861,6 +862,7 @@ parameter_declaration
$$ = $2;
if ($1.qualifier.precision != EpqNone)
$$.param.type->getQualifier().precision = $1.qualifier.precision;
parseContext.precisionQualifierCheck($1.loc, $$.param.type->getBasicType(), $$.param.type->getQualifier());
parseContext.checkNoShaderLayouts($1.loc, $1.shaderQualifiers);
parseContext.parameterTypeCheck($2.loc, $1.qualifier.storage, *$$.param.type);
@ -871,6 +873,7 @@ parameter_declaration
parseContext.parameterTypeCheck($1.loc, EvqIn, *$1.param.type);
parseContext.paramCheckFix($1.loc, EvqTemporary, *$$.param.type);
parseContext.precisionQualifierCheck($$.loc, $$.param.type->getBasicType(), $$.param.type->getQualifier());
}
;
@ -880,7 +883,6 @@ parameter_type_specifier
$$.param = param;
if ($1.arraySizes)
parseContext.arraySizeRequiredCheck($1.loc, $1.arraySizes->getSize());
parseContext.precisionQualifierCheck($1.loc, $1);
}
;
@ -947,7 +949,7 @@ fully_specified_type
parseContext.profileRequires($1.loc, EEsProfile, 300, 0, "arrayed type");
}
parseContext.precisionQualifierCheck($$.loc, $$);
parseContext.precisionQualifierCheck($$.loc, $$.basicType, $$.qualifier);
}
| type_qualifier type_specifier {
parseContext.globalQualifierFixCheck($1.loc, $1.qualifier);
@ -964,7 +966,7 @@ fully_specified_type
parseContext.checkNoShaderLayouts($2.loc, $1.shaderQualifiers);
$2.shaderQualifiers.merge($1.shaderQualifiers);
parseContext.mergeQualifiers($2.loc, $2.qualifier, $1.qualifier, true);
parseContext.precisionQualifierCheck($2.loc, $2);
parseContext.precisionQualifierCheck($2.loc, $2.basicType, $2.qualifier);
$$ = $2;
@ -1955,7 +1957,7 @@ struct_declaration
$$ = $2;
parseContext.voidErrorCheck($1.loc, (*$2)[0].type->getFieldName(), $1.basicType);
parseContext.precisionQualifierCheck($1.loc, $1);
parseContext.precisionQualifierCheck($1.loc, $1.basicType, $1.qualifier);
for (unsigned int i = 0; i < $$->size(); ++i) {
parseContext.arrayDimCheck($1.loc, (*$$)[i].type, $1.arraySizes);
@ -1976,7 +1978,7 @@ struct_declaration
parseContext.checkNoShaderLayouts($1.loc, $1.shaderQualifiers);
parseContext.voidErrorCheck($2.loc, (*$3)[0].type->getFieldName(), $2.basicType);
parseContext.mergeQualifiers($2.loc, $2.qualifier, $1.qualifier, true);
parseContext.precisionQualifierCheck($2.loc, $2);
parseContext.precisionQualifierCheck($2.loc, $2.basicType, $2.qualifier);
for (unsigned int i = 0; i < $$->size(); ++i) {
parseContext.arrayDimCheck($1.loc, (*$$)[i].type, $2.arraySizes);