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Add gl_PointCoord.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20510 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-02-08 22:54:14 +00:00
parent 38c507e75a
commit 6968b823ef
6 changed files with 44 additions and 12 deletions
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13
glslang/MachineIndependent/ParseHelper.cpp
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@ -76,6 +76,7 @@ void TParseContext::setVersion(int newVersion)
defaultPrecision[EbtInt] = EpqMedium;
defaultPrecision[EbtSampler2D] = EpqLow;
defaultPrecision[EbtSamplerCube] = EpqLow;
// TODO: give error when using float in frag shader without default precision
}
} else {
for (int type = 0; type < EbtNumTypes; ++type)
@ -294,7 +295,10 @@ void TParseContext::binaryOpError(int line, char* op, TString left, TString righ
void TParseContext::variableErrorCheck(TIntermTyped*& nodePtr)
{
TIntermSymbol* symbol = nodePtr->getAsSymbolNode();
if (symbol && symbol->getType().getBasicType() == EbtVoid) {
if (! symbol)
return;
if (symbol->getType().getBasicType() == EbtVoid) {
error(symbol->getLine(), "undeclared identifier", symbol->getSymbol().c_str(), "");
recover();
@ -307,6 +311,12 @@ void TParseContext::variableErrorCheck(TIntermTyped*& nodePtr)
nodePtr = intermediate.addSymbol(fakeVariable->getUniqueId(),
fakeVariable->getName(),
fakeVariable->getType(), symbol->getLine());
} else {
switch (symbol->getQualifier().storage) {
case EvqPointCoord:
profileRequires(symbol->getLine(), ENoProfile, 120, 0, "gl_PointCoord");
break;
}
}
}
@ -372,6 +382,7 @@ bool TParseContext::lValueErrorCheck(int line, char* op, TIntermTyped* node)
case EvqVaryingIn: message = "can't modify a varying"; break;
case EvqFace: message = "can't modify gl_FrontFace"; break;
case EvqFragCoord: message = "can't modify gl_FragCoord"; break;
case EvqPointCoord: message = "can't modify gl_PointCoord"; break;
default:
//