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Notification phase for io remapper

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Adds a notification phase to the io remapper.
The idea behind this is to give the user a
chance to group uniforms and/or in/out variables
for a better pipeline layout sharing for vulkan.

Change-Id: I7492421085a4156ed3534f01d906ab390d73a623
This commit is contained in:
t.jung 2017-04-28 15:54:57 +02:00
parent 7cca140956
commit f1bfeec73d
2 changed files with 53 additions and 0 deletions
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40
glslang/MachineIndependent/iomapper.cpp
View file

@ -201,6 +201,36 @@ public:
const TVarLiveMap& uniformList;
};
struct TNotifyUniformAdaptor
{
EShLanguage stage;
TIoMapResolver& resolver;
inline TNotifyUniformAdaptor(EShLanguage s, TIoMapResolver& r)
: stage(s)
, resolver(r)
{
}
inline void operator()(TVarEntryInfo& ent)
{
resolver.notifyBinding(stage, ent.symbol->getName().c_str(), ent.symbol->getType(), ent.live);
}
};
struct TNotifyInOutAdaptor
{
EShLanguage stage;
TIoMapResolver& resolver;
inline TNotifyInOutAdaptor(EShLanguage s, TIoMapResolver& r)
: stage(s)
, resolver(r)
{
}
inline void operator()(TVarEntryInfo& ent)
{
resolver.notifyInOut(stage, ent.symbol->getName().c_str(), ent.symbol->getType(), ent.live);
}
};
struct TResolverUniformAdaptor
{
TResolverUniformAdaptor(EShLanguage s, TIoMapResolver& r, TInfoSink& i, bool& e, TIntermediate& interm)
@ -383,6 +413,10 @@ struct TDefaultIoResolverBase : public glslang::TIoMapResolver
return -1;
}
void notifyBinding(EShLanguage stage, const char* name, const TType& type, bool is_live) override {}
void notifyInOut(EShLanguage stage, const char* name, const TType& type, bool is_live) override {}
void endNotifications() override {}
protected:
static int getLayoutSet(const glslang::TType& type) {
if (type.getQualifier().hasSet())
@ -674,8 +708,14 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate &intermediate, TInfoSi
std::sort(uniformVarMap.begin(), uniformVarMap.end(), TVarEntryInfo::TOrderByPriority());
bool hadError = false;
TNotifyInOutAdaptor inOutNotify(stage, *resolver);
TNotifyUniformAdaptor uniformNotify(stage, *resolver);
TResolverUniformAdaptor uniformResolve(stage, *resolver, infoSink, hadError, intermediate);
TResolverInOutAdaptor inOutResolve(stage, *resolver, infoSink, hadError, intermediate);
std::for_each(inVarMap.begin(), inVarMap.end(), inOutNotify);
std::for_each(outVarMap.begin(), outVarMap.end(), inOutNotify);
std::for_each(uniformVarMap.begin(), uniformVarMap.end(), uniformNotify);
resolver->endNotifications();
std::for_each(inVarMap.begin(), inVarMap.end(), inOutResolve);
std::for_each(outVarMap.begin(), outVarMap.end(), inOutResolve);
std::for_each(uniformVarMap.begin(), uniformVarMap.end(), uniformResolve);