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Revert "Revert "GL_ext_vulkan_glsl_relaxed extension support, and cross stage aware IO mapper""

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greg-lunarg 2021-03-15 11:26:11 -06:00 • committed by GitHub
parent a36d91e5ac
commit 4e064eef46
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43 changed files with 6707 additions and 111 deletions
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41
glslang/MachineIndependent/iomapper.h
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@ -87,6 +87,35 @@ struct TVarEntryInfo {
return lPoints > rPoints;
}
};
struct TOrderByPriorityAndLive {
// ordering:
// 1) do live variables first
// 2) has both binding and set
// 3) has binding but no set
// 4) has no binding but set
// 5) has no binding and no set
inline bool operator()(const TVarEntryInfo& l, const TVarEntryInfo& r) {
const TQualifier& lq = l.symbol->getQualifier();
const TQualifier& rq = r.symbol->getQualifier();
// simple rules:
// has binding gives 2 points
// has set gives 1 point
// who has the most points is more important.
int lPoints = (lq.hasBinding() ? 2 : 0) + (lq.hasSet() ? 1 : 0);
int rPoints = (rq.hasBinding() ? 2 : 0) + (rq.hasSet() ? 1 : 0);
if (l.live != r.live)
return l.live > r.live;
if (lPoints != rPoints)
return lPoints > rPoints;
return l.id < r.id;
}
};
};
// Base class for shared TIoMapResolver services, used by several derivations.
@ -107,8 +136,8 @@ public:
void endCollect(EShLanguage) override {}
void reserverResourceSlot(TVarEntryInfo& /*ent*/, TInfoSink& /*infoSink*/) override {}
void reserverStorageSlot(TVarEntryInfo& /*ent*/, TInfoSink& /*infoSink*/) override {}
int getBaseBinding(TResourceType res, unsigned int set) const;
const std::vector<std::string>& getResourceSetBinding() const;
int getBaseBinding(EShLanguage stage, TResourceType res, unsigned int set) const;
const std::vector<std::string>& getResourceSetBinding(EShLanguage stage) const;
virtual TResourceType getResourceType(const glslang::TType& type) = 0;
bool doAutoBindingMapping() const;
bool doAutoLocationMapping() const;
@ -122,9 +151,11 @@ public:
int resolveInOutLocation(EShLanguage stage, TVarEntryInfo& ent) override;
int resolveInOutComponent(EShLanguage /*stage*/, TVarEntryInfo& ent) override;
int resolveInOutIndex(EShLanguage /*stage*/, TVarEntryInfo& ent) override;
void addStage(EShLanguage stage) override {
if (stage < EShLangCount)
void addStage(EShLanguage stage, TIntermediate& stageIntermediate) override {
if (stage < EShLangCount) {
stageMask[stage] = true;
stageIntermediates[stage] = &stageIntermediate;
}
}
uint32_t computeTypeLocationSize(const TType& type, EShLanguage stage);
@ -139,6 +170,8 @@ protected:
int nextInputLocation;
int nextOutputLocation;
bool stageMask[EShLangCount + 1];
const TIntermediate* stageIntermediates[EShLangCount];
// Return descriptor set specific base if there is one, and the generic base otherwise.
int selectBaseBinding(int base, int descriptorSetBase) const {
return descriptorSetBase != -1 ? descriptorSetBase : base;