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glslang front-end: Implement AEP *_point_size extensions.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31560 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2015-06-23 04:14:00 +00:00
parent 6e76bdc88d
commit b61b82182f
11 changed files with 248 additions and 40 deletions
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20
glslang/MachineIndependent/ParseHelper.cpp
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@ -385,11 +385,11 @@ void C_DECL TParseContext::warn(TSourceLoc loc, const char* szReason, const char
//
// Handle seeing a variable identifier in the grammar.
//
TIntermTyped* TParseContext::handleVariable(TSourceLoc loc, TSymbol* symbol, TString* string)
TIntermTyped* TParseContext::handleVariable(TSourceLoc loc, TSymbol* symbol, const TString* string)
{
TIntermTyped* node = 0;
// Error check for function requiring specific extensions present.
// Error check for requiring specific extensions present.
if (symbol && symbol->getNumExtensions())
requireExtensions(loc, symbol->getNumExtensions(), symbol->getExtensions(), symbol->getName().c_str());
@ -411,6 +411,9 @@ TIntermTyped* TParseContext::handleVariable(TSourceLoc loc, TSymbol* symbol, TSt
if (anon) {
// It was a member of an anonymous container.
// The "getNumExtensions()" mechanism above doesn't yet work for block members
blockMemberExtensionCheck(loc, 0, *string);
// Create a subtree for its dereference.
variable = anon->getAnonContainer().getAsVariable();
TIntermTyped* container = intermediate.addSymbol(*variable, loc);
@ -716,7 +719,7 @@ TIntermTyped* TParseContext::handleUnaryMath(TSourceLoc loc, const char* str, TO
//
// Handle seeing a base.field dereference in the grammar.
//
TIntermTyped* TParseContext::handleDotDereference(TSourceLoc loc, TIntermTyped* base, TString& field)
TIntermTyped* TParseContext::handleDotDereference(TSourceLoc loc, TIntermTyped* base, const TString& field)
{
variableCheck(base);
@ -804,6 +807,7 @@ TIntermTyped* TParseContext::handleDotDereference(TSourceLoc loc, TIntermTyped*
if (base->getType().getQualifier().storage == EvqConst)
result = intermediate.foldDereference(base, member, loc);
else {
blockMemberExtensionCheck(loc, base, field);
TIntermTyped* index = intermediate.addConstantUnion(member, loc);
result = intermediate.addIndex(EOpIndexDirectStruct, base, index, loc);
result->setType(*(*fields)[member].type);
@ -816,6 +820,16 @@ TIntermTyped* TParseContext::handleDotDereference(TSourceLoc loc, TIntermTyped*
return result;
}
void TParseContext::blockMemberExtensionCheck(TSourceLoc loc, const TIntermTyped* /*base*/, const TString& field)
{
if (profile == EEsProfile && field == "gl_PointSize") {
if (language == EShLangGeometry)
requireExtensions(loc, Num_AEP_geometry_point_size, AEP_geometry_point_size, "gl_PointSize");
else if (language == EShLangTessControl || language == EShLangTessEvaluation)
requireExtensions(loc, Num_AEP_tessellation_point_size, AEP_tessellation_point_size, "gl_PointSize");
}
}
//
// Handle seeing a function declarator in the grammar. This is the precursor
// to recognizing a function prototype or function definition.