godot/thirdparty/glslang/glslang/MachineIndependent/iomapper.cpp

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//
// Copyright (C) 2016-2017 LunarG, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
#include "../Include/Common.h"
#include "../Include/InfoSink.h"
#include "../Include/Types.h"
#include "gl_types.h"
#include "iomapper.h"
#include "SymbolTable.h"
//
// Map IO bindings.
//
// High-level algorithm for one stage:
//
// 1. Traverse all code (live+dead) to find the explicitly provided bindings.
//
// 2. Traverse (just) the live code to determine which non-provided bindings
// require auto-numbering. We do not auto-number dead ones.
//
// 3. Traverse all the code to apply the bindings:
// a. explicitly given bindings are offset according to their type
// b. implicit live bindings are auto-numbered into the holes, using
// any open binding slot.
// c. implicit dead bindings are left un-bound.
//
namespace glslang {
class TVarGatherTraverser : public TLiveTraverser {
public:
TVarGatherTraverser(const TIntermediate& i, bool traverseDeadCode, TVarLiveMap& inList, TVarLiveMap& outList, TVarLiveMap& uniformList)
: TLiveTraverser(i, traverseDeadCode, true, true, false)
, inputList(inList)
, outputList(outList)
, uniformList(uniformList)
{
}
virtual void visitSymbol(TIntermSymbol* base)
{
TVarLiveMap* target = nullptr;
if (base->getQualifier().storage == EvqVaryingIn)
target = &inputList;
else if (base->getQualifier().storage == EvqVaryingOut)
target = &outputList;
else if (base->getQualifier().isUniformOrBuffer() && !base->getQualifier().isPushConstant())
target = &uniformList;
// If a global is being visited, then we should also traverse it incase it's evaluation
// ends up visiting inputs we want to tag as live
else if (base->getQualifier().storage == EvqGlobal)
addGlobalReference(base->getAccessName());
if (target) {
TVarEntryInfo ent = {base->getId(), base, ! traverseAll};
ent.stage = intermediate.getStage();
TVarLiveMap::iterator at = target->find(
ent.symbol->getAccessName()); // std::lower_bound(target->begin(), target->end(), ent, TVarEntryInfo::TOrderById());
if (at != target->end() && at->second.id == ent.id)
at->second.live = at->second.live || ! traverseAll; // update live state
else
(*target)[ent.symbol->getAccessName()] = ent;
}
}
private:
TVarLiveMap& inputList;
TVarLiveMap& outputList;
TVarLiveMap& uniformList;
};
class TVarSetTraverser : public TLiveTraverser
{
public:
TVarSetTraverser(const TIntermediate& i, const TVarLiveMap& inList, const TVarLiveMap& outList, const TVarLiveMap& uniformList)
: TLiveTraverser(i, true, true, true, false)
, inputList(inList)
, outputList(outList)
, uniformList(uniformList)
{
}
virtual void visitSymbol(TIntermSymbol* base) {
const TVarLiveMap* source;
if (base->getQualifier().storage == EvqVaryingIn)
source = &inputList;
else if (base->getQualifier().storage == EvqVaryingOut)
source = &outputList;
else if (base->getQualifier().isUniformOrBuffer())
source = &uniformList;
else
return;
TVarEntryInfo ent = { base->getId() };
// Fix a defect, when block has no instance name, we need to find its block name
TVarLiveMap::const_iterator at = source->find(base->getAccessName());
if (at == source->end())
return;
if (at->second.id != ent.id)
return;
if (at->second.newBinding != -1)
base->getWritableType().getQualifier().layoutBinding = at->second.newBinding;
if (at->second.newSet != -1)
base->getWritableType().getQualifier().layoutSet = at->second.newSet;
if (at->second.newLocation != -1)
base->getWritableType().getQualifier().layoutLocation = at->second.newLocation;
if (at->second.newComponent != -1)
base->getWritableType().getQualifier().layoutComponent = at->second.newComponent;
if (at->second.newIndex != -1)
base->getWritableType().getQualifier().layoutIndex = at->second.newIndex;
}
private:
const TVarLiveMap& inputList;
const TVarLiveMap& outputList;
const TVarLiveMap& uniformList;
};
struct TNotifyUniformAdaptor
{
EShLanguage stage;
TIoMapResolver& resolver;
inline TNotifyUniformAdaptor(EShLanguage s, TIoMapResolver& r)
: stage(s)
, resolver(r)
{
}
inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey)
{
resolver.notifyBinding(stage, entKey.second);
}
private:
TNotifyUniformAdaptor& operator=(TNotifyUniformAdaptor&) = delete;
};
struct TNotifyInOutAdaptor
{
EShLanguage stage;
TIoMapResolver& resolver;
inline TNotifyInOutAdaptor(EShLanguage s, TIoMapResolver& r)
: stage(s)
, resolver(r)
{
}
inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey)
{
resolver.notifyInOut(entKey.second.stage, entKey.second);
}
private:
TNotifyInOutAdaptor& operator=(TNotifyInOutAdaptor&) = delete;
};
struct TResolverUniformAdaptor {
TResolverUniformAdaptor(EShLanguage s, TIoMapResolver& r, TVarLiveMap* uniform[EShLangCount], TInfoSink& i, bool& e)
: stage(s)
, resolver(r)
, infoSink(i)
, error(e)
{
memcpy(uniformVarMap, uniform, EShLangCount * (sizeof(TVarLiveMap*)));
}
inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey) {
TVarEntryInfo& ent = entKey.second;
ent.newLocation = -1;
ent.newComponent = -1;
ent.newBinding = -1;
ent.newSet = -1;
ent.newIndex = -1;
const bool isValid = resolver.validateBinding(stage, ent);
if (isValid) {
resolver.resolveSet(ent.stage, ent);
resolver.resolveBinding(ent.stage, ent);
resolver.resolveUniformLocation(ent.stage, ent);
if (ent.newBinding != -1) {
if (ent.newBinding >= int(TQualifier::layoutBindingEnd)) {
TString err = "mapped binding out of range: " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
error = true;
}
if (ent.symbol->getQualifier().hasBinding()) {
for (uint32_t idx = EShLangVertex; idx < EShLangCount; ++idx) {
if (idx == ent.stage || uniformVarMap[idx] == nullptr)
continue;
auto entKey2 = uniformVarMap[idx]->find(entKey.first);
if (entKey2 != uniformVarMap[idx]->end()) {
entKey2->second.newBinding = ent.newBinding;
}
}
}
}
if (ent.newSet != -1) {
if (ent.newSet >= int(TQualifier::layoutSetEnd)) {
TString err = "mapped set out of range: " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
error = true;
}
if (ent.symbol->getQualifier().hasSet()) {
for (uint32_t idx = EShLangVertex; idx < EShLangCount; ++idx) {
if ((idx == stage) || (uniformVarMap[idx] == nullptr))
continue;
auto entKey2 = uniformVarMap[idx]->find(entKey.first);
if (entKey2 != uniformVarMap[idx]->end()) {
entKey2->second.newSet = ent.newSet;
}
}
}
}
} else {
TString errorMsg = "Invalid binding: " + entKey.first;
infoSink.info.message(EPrefixInternalError, errorMsg.c_str());
error = true;
}
}
inline void setStage(EShLanguage s) { stage = s; }
EShLanguage stage;
TIoMapResolver& resolver;
TInfoSink& infoSink;
bool& error;
TVarLiveMap* uniformVarMap[EShLangCount];
private:
TResolverUniformAdaptor& operator=(TResolverUniformAdaptor&) = delete;
};
struct TResolverInOutAdaptor {
TResolverInOutAdaptor(EShLanguage s, TIoMapResolver& r, TInfoSink& i, bool& e)
: stage(s)
, resolver(r)
, infoSink(i)
, error(e)
{
}
inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey)
{
TVarEntryInfo& ent = entKey.second;
ent.newLocation = -1;
ent.newComponent = -1;
ent.newBinding = -1;
ent.newSet = -1;
ent.newIndex = -1;
const bool isValid = resolver.validateInOut(ent.stage, ent);
if (isValid) {
resolver.resolveInOutLocation(stage, ent);
resolver.resolveInOutComponent(stage, ent);
resolver.resolveInOutIndex(stage, ent);
} else {
TString errorMsg;
if (ent.symbol->getType().getQualifier().semanticName != nullptr) {
errorMsg = "Invalid shader In/Out variable semantic: ";
errorMsg += ent.symbol->getType().getQualifier().semanticName;
} else {
errorMsg = "Invalid shader In/Out variable: ";
errorMsg += ent.symbol->getName();
}
infoSink.info.message(EPrefixInternalError, errorMsg.c_str());
error = true;
}
}
inline void setStage(EShLanguage s) { stage = s; }
EShLanguage stage;
TIoMapResolver& resolver;
TInfoSink& infoSink;
bool& error;
private:
TResolverInOutAdaptor& operator=(TResolverInOutAdaptor&) = delete;
};
// The class is used for reserving explicit uniform locations and ubo/ssbo/opaque bindings
// xxTODO: maybe this logic should be moved into the resolver's "validateInOut" and "validateUniform"
struct TSymbolValidater
{
TSymbolValidater(TIoMapResolver& r, TInfoSink& i, TVarLiveMap* in[EShLangCount], TVarLiveMap* out[EShLangCount],
TVarLiveMap* uniform[EShLangCount], bool& hadError, EProfile profile, int version)
: resolver(r)
, infoSink(i)
, hadError(hadError)
, profile(profile)
, version(version)
{
memcpy(inVarMaps, in, EShLangCount * (sizeof(TVarLiveMap*)));
memcpy(outVarMaps, out, EShLangCount * (sizeof(TVarLiveMap*)));
memcpy(uniformVarMap, uniform, EShLangCount * (sizeof(TVarLiveMap*)));
std::map<TString, TString> anonymousMemberMap;
std::vector<TRange> usedUniformLocation;
std::vector<TString> usedUniformName;
usedUniformLocation.clear();
usedUniformName.clear();
for (int i = 0; i < EShLangCount; i++) {
if (uniformVarMap[i]) {
for (auto uniformVar : *uniformVarMap[i])
{
TIntermSymbol* pSymbol = uniformVar.second.symbol;
TQualifier qualifier = uniformVar.second.symbol->getQualifier();
TString symbolName = pSymbol->getAccessName();
// All the uniform needs multi-stage location check (block/default)
int uniformLocation = qualifier.layoutLocation;
if (uniformLocation != TQualifier::layoutLocationEnd) {
// Total size of current uniform, could be block, struct or other types.
int size = TIntermediate::computeTypeUniformLocationSize(pSymbol->getType());
TRange locationRange(uniformLocation, uniformLocation + size - 1);
// Combine location and component ranges
int overlapLocation = -1;
bool diffLocation = false;
// Check for collisions, except for vertex inputs on desktop targeting OpenGL
overlapLocation = checkLocationOverlap(locationRange, usedUniformLocation, symbolName, usedUniformName, diffLocation);
// Overlap locations of uniforms, regardless of components (multi stages)
if (overlapLocation == -1) {
usedUniformLocation.push_back(locationRange);
usedUniformName.push_back(symbolName);
}
else if (overlapLocation >= 0) {
if (diffLocation == true) {
TString err = ("Uniform location should be equal for same uniforms: " +std::to_string(overlapLocation)).c_str();
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
break;
}
else {
TString err = ("Uniform location overlaps across stages: " + std::to_string(overlapLocation)).c_str();
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
break;
}
}
}
if ((uniformVar.second.symbol->getBasicType() == EbtBlock) &&
IsAnonymous(uniformVar.second.symbol->getName()))
{
auto blockType = uniformVar.second.symbol->getType().getStruct();
for (size_t memberIdx = 0; memberIdx < blockType->size(); ++memberIdx) {
auto memberName = (*blockType)[memberIdx].type->getFieldName();
if (anonymousMemberMap.find(memberName) != anonymousMemberMap.end())
{
if (anonymousMemberMap[memberName] != uniformVar.second.symbol->getType().getTypeName())
{
TString err = "Invalid block member name: " + memberName;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
break;
}
}
else
{
anonymousMemberMap[memberName] = uniformVar.second.symbol->getType().getTypeName();
}
}
}
if (hadError)
break;
}
}
}
}
// In case we need to new an intermediate, which costs too much
int checkLocationOverlap(const TRange& locationRange, std::vector<TRange>& usedUniformLocation, const TString symbolName, std::vector<TString>& usedUniformName, bool& diffLocation)
{
for (size_t r = 0; r < usedUniformLocation.size(); ++r) {
if (usedUniformName[r] == symbolName) {
diffLocation = true;
return (usedUniformLocation[r].start == locationRange.start &&
usedUniformLocation[r].last == locationRange.last)
? -2 : std::max(locationRange.start, usedUniformLocation[r].start);
}
if (locationRange.overlap(usedUniformLocation[r])) {
// there is a collision; pick one
return std::max(locationRange.start, usedUniformLocation[r].start);
}
}
return -1; // no collision
}
inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey) {
TVarEntryInfo& ent1 = entKey.second;
TIntermSymbol* base = ent1.symbol;
const TType& type = ent1.symbol->getType();
const TString& name = entKey.first;
TString mangleName1, mangleName2;
EShLanguage stage = ent1.stage;
EShLanguage preStage, currentStage, nextStage;
preStage = EShLangCount;
for (int i = stage - 1; i >= 0; i--) {
if (inVarMaps[i] != nullptr) {
preStage = static_cast<EShLanguage>(i);
break;
}
}
currentStage = stage;
nextStage = EShLangCount;
for (int i = stage + 1; i < EShLangCount; i++) {
if (inVarMaps[i] != nullptr) {
nextStage = static_cast<EShLanguage>(i);
break;
}
}
if (type.getQualifier().isArrayedIo(stage)) {
TType subType(type, 0);
subType.appendMangledName(mangleName1);
} else {
type.appendMangledName(mangleName1);
}
// basic checking that symbols match
// more extensive checking in the link stage
if (base->getQualifier().storage == EvqVaryingIn) {
// validate stage in;
if (preStage == EShLangCount)
return;
if (TSymbolTable::isBuiltInSymbol(base->getId()))
return;
if (outVarMaps[preStage] != nullptr) {
auto ent2 = outVarMaps[preStage]->find(name);
uint32_t location = base->getType().getQualifier().layoutLocation;
if (ent2 == outVarMaps[preStage]->end() &&
location != glslang::TQualifier::layoutLocationEnd) {
for (auto var = outVarMaps[preStage]->begin(); var != ent2; var++) {
if (var->second.symbol->getType().getQualifier().layoutLocation == location) {
ent2 = var;
break;
}
}
}
if (ent2 != outVarMaps[preStage]->end()) {
auto& type1 = base->getType();
auto& type2 = ent2->second.symbol->getType();
hadError = hadError || typeCheck(&type1, &type2, name.c_str(), false);
if (ent2->second.symbol->getType().getQualifier().isArrayedIo(preStage)) {
TType subType(ent2->second.symbol->getType(), 0);
subType.appendMangledName(mangleName2);
} else {
ent2->second.symbol->getType().appendMangledName(mangleName2);
}
if (mangleName1 == mangleName2) {
// For ES 3.0 only, other versions have no such restrictions
// According to ES 3.0 spec: The type and presence of the interpolation qualifiers and
// storage qualifiers of variables with the same name declared in all linked shaders must
// match, otherwise the link command will fail.
if (profile == EEsProfile && version == 300) {
// Don't need to check smooth qualifier, as it uses the default interpolation mode
if (ent1.stage == EShLangFragment && type1.isBuiltIn() == false) {
if (type1.getQualifier().flat != type2.getQualifier().flat ||
type1.getQualifier().nopersp != type2.getQualifier().nopersp) {
TString err = "Interpolation qualifier mismatch : " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
}
}
}
return;
}
else {
TString err = "Invalid In/Out variable type : " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
}
}
else if (!base->getType().isBuiltIn()) {
// According to spec: A link error is generated if any statically referenced input variable
// or block does not have a matching output
if (profile == EEsProfile && ent1.live) {
hadError = true;
TString errorStr = name + ": not been declare as a output variable in pre shader stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
}
return;
}
} else if (base->getQualifier().storage == EvqVaryingOut) {
// validate stage out;
if (nextStage == EShLangCount)
return;
if (TSymbolTable::isBuiltInSymbol(base->getId()))
return;
if (inVarMaps[nextStage] != nullptr) {
auto ent2 = inVarMaps[nextStage]->find(name);
if (ent2 != inVarMaps[nextStage]->end()) {
if (ent2->second.symbol->getType().getQualifier().isArrayedIo(nextStage)) {
TType subType(ent2->second.symbol->getType(), 0);
subType.appendMangledName(mangleName2);
} else {
ent2->second.symbol->getType().appendMangledName(mangleName2);
}
if (mangleName1 == mangleName2)
return;
else {
TString err = "Invalid In/Out variable type : " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
}
}
return;
}
} else if (base->getQualifier().isUniformOrBuffer() && !base->getQualifier().isPushConstant()) {
// validate uniform type;
for (int i = 0; i < EShLangCount; i++) {
if (i != currentStage && outVarMaps[i] != nullptr) {
auto ent2 = uniformVarMap[i]->find(name);
if (ent2 != uniformVarMap[i]->end()) {
ent2->second.symbol->getType().appendMangledName(mangleName2);
if (mangleName1 != mangleName2) {
ent2->second.symbol->getType().sameElementType(type);
TString err = "Invalid Uniform variable type : " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
}
mangleName2.clear();
// validate instance name of blocks
if (hadError == false &&
base->getType().getBasicType() == EbtBlock &&
IsAnonymous(base->getName()) != IsAnonymous(ent2->second.symbol->getName())) {
TString err = "Matched uniform block names must also either all be lacking "
"an instance name or all having an instance name: " + entKey.first;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
}
// validate uniform block member qualifier and member names
auto& type1 = base->getType();
auto& type2 = ent2->second.symbol->getType();
if (hadError == false && base->getType().getBasicType() == EbtBlock) {
hadError = hadError || typeCheck(&type1, &type2, name.c_str(), true);
}
else {
hadError = hadError || typeCheck(&type1, &type2, name.c_str(), false);
}
}
else if (base->getBasicType() == EbtBlock)
{
if (IsAnonymous(base->getName()))
{
// The name of anonymous block member can't same with default uniform variable.
auto blockType1 = base->getType().getStruct();
for (size_t memberIdx = 0; memberIdx < blockType1->size(); ++memberIdx) {
auto memberName = (*blockType1)[memberIdx].type->getFieldName();
if (uniformVarMap[i]->find(memberName) != uniformVarMap[i]->end())
{
TString err = "Invalid Uniform variable name : " + memberName;
infoSink.info.message(EPrefixInternalError, err.c_str());
hadError = true;
break;
}
}
}
}
}
}
}
}
TVarLiveMap *inVarMaps[EShLangCount], *outVarMaps[EShLangCount], *uniformVarMap[EShLangCount];
// Use for mark current shader stage for resolver
TIoMapResolver& resolver;
TInfoSink& infoSink;
bool& hadError;
EProfile profile;
int version;
private:
TSymbolValidater& operator=(TSymbolValidater&) = delete;
bool qualifierCheck(const TType* const type1, const TType* const type2, const std::string& name, bool isBlock)
{
bool hasError = false;
const TQualifier& qualifier1 = type1->getQualifier();
const TQualifier& qualifier2 = type2->getQualifier();
if (((isBlock == false) &&
(type1->getQualifier().storage == EvqUniform && type2->getQualifier().storage == EvqUniform)) ||
(type1->getQualifier().storage == EvqGlobal && type2->getQualifier().storage == EvqGlobal)) {
if (qualifier1.precision != qualifier2.precision) {
hasError = true;
std::string errorStr = name + ": have precision conflict cross stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
if (qualifier1.hasFormat() && qualifier2.hasFormat()) {
if (qualifier1.layoutFormat != qualifier2.layoutFormat) {
hasError = true;
std::string errorStr = name + ": have layout format conflict cross stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
}
}
if (isBlock == true) {
if (qualifier1.layoutPacking != qualifier2.layoutPacking) {
hasError = true;
std::string errorStr = name + ": have layoutPacking conflict cross stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
if (qualifier1.layoutMatrix != qualifier2.layoutMatrix) {
hasError = true;
std::string errorStr = name + ": have layoutMatrix conflict cross stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
if (qualifier1.layoutOffset != qualifier2.layoutOffset) {
hasError = true;
std::string errorStr = name + ": have layoutOffset conflict cross stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
if (qualifier1.layoutAlign != qualifier2.layoutAlign) {
hasError = true;
std::string errorStr = name + ": have layoutAlign conflict cross stage.";
infoSink.info.message(EPrefixError, errorStr.c_str());
}
}
return hasError;
}
bool typeCheck(const TType* const type1, const TType* const type2, const std::string& name, bool isBlock)
{
bool hasError = false;
if (!(type1->isStruct() && type2->isStruct())) {
hasError = hasError || qualifierCheck(type1, type2, name, isBlock);
}
else {
if (type1->getBasicType() == EbtBlock && type2->getBasicType() == EbtBlock)
isBlock = true;
const TTypeList* typeList1 = type1->getStruct();
const TTypeList* typeList2 = type2->getStruct();
std::string newName = name;
size_t memberCount = typeList1->size();
size_t index2 = 0;
for (size_t index = 0; index < memberCount; index++, index2++) {
// Skip inactive member
if (typeList1->at(index).type->getBasicType() == EbtVoid)
continue;
while (index2 < typeList2->size() && typeList2->at(index2).type->getBasicType() == EbtVoid) {
++index2;
}
// TypeList1 has more members in list
if (index2 == typeList2->size()) {
std::string errorStr = name + ": struct mismatch.";
infoSink.info.message(EPrefixError, errorStr.c_str());
hasError = true;
break;
}
if (typeList1->at(index).type->getFieldName() != typeList2->at(index2).type->getFieldName()) {
std::string errorStr = name + ": member name mismatch.";
infoSink.info.message(EPrefixError, errorStr.c_str());
hasError = true;
}
else {
newName = typeList1->at(index).type->getFieldName().c_str();
}
hasError = hasError || typeCheck(typeList1->at(index).type, typeList2->at(index2).type, newName, isBlock);
}
while (index2 < typeList2->size())
{
// TypeList2 has more members
if (typeList2->at(index2).type->getBasicType() != EbtVoid) {
std::string errorStr = name + ": struct mismatch.";
infoSink.info.message(EPrefixError, errorStr.c_str());
hasError = true;
break;
}
++index2;
}
}
return hasError;
}
};
struct TSlotCollector {
TSlotCollector(TIoMapResolver& r, TInfoSink& i) : resolver(r), infoSink(i) { }
inline void operator()(std::pair<const TString, TVarEntryInfo>& entKey) {
resolver.reserverStorageSlot(entKey.second, infoSink);
resolver.reserverResourceSlot(entKey.second, infoSink);
}
TIoMapResolver& resolver;
TInfoSink& infoSink;
private:
TSlotCollector& operator=(TSlotCollector&) = delete;
};
TDefaultIoResolverBase::TDefaultIoResolverBase(const TIntermediate& intermediate)
: intermediate(intermediate)
, nextUniformLocation(intermediate.getUniformLocationBase())
, nextInputLocation(0)
, nextOutputLocation(0)
{
memset(stageMask, false, sizeof(bool) * (EShLangCount + 1));
memset(stageIntermediates, 0, sizeof(TIntermediate*) * (EShLangCount));
stageIntermediates[intermediate.getStage()] = &intermediate;
}
int TDefaultIoResolverBase::getBaseBinding(EShLanguage stage, TResourceType res, unsigned int set) const {
return stageIntermediates[stage] ? selectBaseBinding(stageIntermediates[stage]->getShiftBinding(res), stageIntermediates[stage]->getShiftBindingForSet(res, set))
: selectBaseBinding(intermediate.getShiftBinding(res), intermediate.getShiftBindingForSet(res, set));
}
const std::vector<std::string>& TDefaultIoResolverBase::getResourceSetBinding(EShLanguage stage) const {
return stageIntermediates[stage] ? stageIntermediates[stage]->getResourceSetBinding()
: intermediate.getResourceSetBinding();
}
bool TDefaultIoResolverBase::doAutoBindingMapping() const { return intermediate.getAutoMapBindings(); }
bool TDefaultIoResolverBase::doAutoLocationMapping() const { return intermediate.getAutoMapLocations(); }
TDefaultIoResolverBase::TSlotSet::iterator TDefaultIoResolverBase::findSlot(int set, int slot) {
return std::lower_bound(slots[set].begin(), slots[set].end(), slot);
}
bool TDefaultIoResolverBase::checkEmpty(int set, int slot) {
TSlotSet::iterator at = findSlot(set, slot);
return ! (at != slots[set].end() && *at == slot);
}
int TDefaultIoResolverBase::reserveSlot(int set, int slot, int size) {
TSlotSet::iterator at = findSlot(set, slot);
// tolerate aliasing, by not double-recording aliases
// (policy about appropriateness of the alias is higher up)
for (int i = 0; i < size; i++) {
if (at == slots[set].end() || *at != slot + i)
at = slots[set].insert(at, slot + i);
++at;
}
return slot;
}
int TDefaultIoResolverBase::getFreeSlot(int set, int base, int size) {
TSlotSet::iterator at = findSlot(set, base);
if (at == slots[set].end())
return reserveSlot(set, base, size);
// look for a big enough gap
for (; at != slots[set].end(); ++at) {
if (*at - base >= size)
break;
base = *at + 1;
}
return reserveSlot(set, base, size);
}
int TDefaultIoResolverBase::resolveSet(EShLanguage stage, TVarEntryInfo& ent) {
const TType& type = ent.symbol->getType();
if (type.getQualifier().hasSet()) {
return ent.newSet = type.getQualifier().layoutSet;
}
// If a command line or API option requested a single descriptor set, use that (if not overrided by spaceN)
if (getResourceSetBinding(stage).size() == 1) {
return ent.newSet = atoi(getResourceSetBinding(stage)[0].c_str());
}
return ent.newSet = 0;
}
int TDefaultIoResolverBase::resolveUniformLocation(EShLanguage /*stage*/, TVarEntryInfo& ent) {
const TType& type = ent.symbol->getType();
const char* name = ent.symbol->getAccessName().c_str();
// kick out of not doing this
if (! doAutoLocationMapping()) {
return ent.newLocation = -1;
}
// no locations added if already present, a built-in variable, a block, or an opaque
if (type.getQualifier().hasLocation() || type.isBuiltIn() || type.getBasicType() == EbtBlock ||
type.isAtomic() || (type.containsOpaque() && intermediate.getSpv().openGl == 0)) {
return ent.newLocation = -1;
}
// no locations on blocks of built-in variables
if (type.isStruct()) {
if (type.getStruct()->size() < 1) {
return ent.newLocation = -1;
}
if ((*type.getStruct())[0].type->isBuiltIn()) {
return ent.newLocation = -1;
}
}
int location = intermediate.getUniformLocationOverride(name);
if (location != -1) {
return ent.newLocation = location;
}
location = nextUniformLocation;
nextUniformLocation += TIntermediate::computeTypeUniformLocationSize(type);
return ent.newLocation = location;
}
int TDefaultIoResolverBase::resolveInOutLocation(EShLanguage stage, TVarEntryInfo& ent) {
const TType& type = ent.symbol->getType();
// kick out of not doing this
if (! doAutoLocationMapping()) {
return ent.newLocation = -1;
}
// no locations added if already present, or a built-in variable
if (type.getQualifier().hasLocation() || type.isBuiltIn()) {
return ent.newLocation = -1;
}
// no locations on blocks of built-in variables
if (type.isStruct()) {
if (type.getStruct()->size() < 1) {
return ent.newLocation = -1;
}
if ((*type.getStruct())[0].type->isBuiltIn()) {
return ent.newLocation = -1;
}
}
// point to the right input or output location counter
int& nextLocation = type.getQualifier().isPipeInput() ? nextInputLocation : nextOutputLocation;
// Placeholder. This does not do proper cross-stage lining up, nor
// work with mixed location/no-location declarations.
int location = nextLocation;
int typeLocationSize;
// Dont take into account the outer-most array if the stages
// interface is automatically an array.
typeLocationSize = computeTypeLocationSize(type, stage);
nextLocation += typeLocationSize;
return ent.newLocation = location;
}
int TDefaultIoResolverBase::resolveInOutComponent(EShLanguage /*stage*/, TVarEntryInfo& ent) {
return ent.newComponent = -1;
}
int TDefaultIoResolverBase::resolveInOutIndex(EShLanguage /*stage*/, TVarEntryInfo& ent) { return ent.newIndex = -1; }
uint32_t TDefaultIoResolverBase::computeTypeLocationSize(const TType& type, EShLanguage stage) {
int typeLocationSize;
// Dont take into account the outer-most array if the stages
// interface is automatically an array.
if (type.getQualifier().isArrayedIo(stage)) {
TType elementType(type, 0);
typeLocationSize = TIntermediate::computeTypeLocationSize(elementType, stage);
} else {
typeLocationSize = TIntermediate::computeTypeLocationSize(type, stage);
}
return typeLocationSize;
}
//TDefaultGlslIoResolver
TResourceType TDefaultGlslIoResolver::getResourceType(const glslang::TType& type) {
if (isImageType(type)) {
return EResImage;
}
if (isTextureType(type)) {
return EResTexture;
}
if (isSsboType(type)) {
return EResSsbo;
}
if (isSamplerType(type)) {
return EResSampler;
}
if (isUboType(type)) {
return EResUbo;
}
return EResCount;
}
TDefaultGlslIoResolver::TDefaultGlslIoResolver(const TIntermediate& intermediate)
: TDefaultIoResolverBase(intermediate)
, preStage(EShLangCount)
, currentStage(EShLangCount)
{ }
int TDefaultGlslIoResolver::resolveInOutLocation(EShLanguage stage, TVarEntryInfo& ent) {
const TType& type = ent.symbol->getType();
const TString& name = ent.symbol->getAccessName();
if (currentStage != stage) {
preStage = currentStage;
currentStage = stage;
}
// kick out if not doing this
if (! doAutoLocationMapping()) {
return ent.newLocation = -1;
}
// expand the location to each element if the symbol is a struct or array
if (type.getQualifier().hasLocation()) {
return ent.newLocation = type.getQualifier().layoutLocation;
}
// no locations added if already present, or a built-in variable
if (type.isBuiltIn()) {
return ent.newLocation = -1;
}
// no locations on blocks of built-in variables
if (type.isStruct()) {
if (type.getStruct()->size() < 1) {
return ent.newLocation = -1;
}
if ((*type.getStruct())[0].type->isBuiltIn()) {
return ent.newLocation = -1;
}
}
int typeLocationSize = computeTypeLocationSize(type, stage);
int location = type.getQualifier().layoutLocation;
bool hasLocation = false;
EShLanguage keyStage(EShLangCount);
TStorageQualifier storage;
storage = EvqInOut;
if (type.getQualifier().isPipeInput()) {
// If this symbol is a input, search pre stage's out
keyStage = preStage;
}
if (type.getQualifier().isPipeOutput()) {
// If this symbol is a output, search next stage's in
keyStage = currentStage;
}
// The in/out in current stage is not declared with location, but it is possible declared
// with explicit location in other stages, find the storageSlotMap firstly to check whether
// the in/out has location
int resourceKey = buildStorageKey(keyStage, storage);
if (! storageSlotMap[resourceKey].empty()) {
TVarSlotMap::iterator iter = storageSlotMap[resourceKey].find(name);
if (iter != storageSlotMap[resourceKey].end()) {
// If interface resource be found, set it has location and this symbol's new location
// equal the symbol's explicit location declaration in pre or next stage.
//
// vs: out vec4 a;
// fs: layout(..., location = 3,...) in vec4 a;
hasLocation = true;
location = iter->second;
// if we want deal like that:
// vs: layout(location=4) out vec4 a;
// out vec4 b;
//
// fs: in vec4 a;
// layout(location = 4) in vec4 b;
// we need retraverse the map.
}
if (! hasLocation) {
// If interface resource note found, It's mean the location in two stage are both implicit declarat.
// So we should find a new slot for this interface.
//
// vs: out vec4 a;
// fs: in vec4 a;
location = getFreeSlot(resourceKey, 0, typeLocationSize);
storageSlotMap[resourceKey][name] = location;
}
} else {
// the first interface declarated in a program.
TVarSlotMap varSlotMap;
location = getFreeSlot(resourceKey, 0, typeLocationSize);
varSlotMap[name] = location;
storageSlotMap[resourceKey] = varSlotMap;
}
//Update location
return ent.newLocation = location;
}
int TDefaultGlslIoResolver::resolveUniformLocation(EShLanguage /*stage*/, TVarEntryInfo& ent) {
const TType& type = ent.symbol->getType();
const TString& name = ent.symbol->getAccessName();
// kick out of not doing this
if (! doAutoLocationMapping()) {
return ent.newLocation = -1;
}
// expand the location to each element if the symbol is a struct or array
if (type.getQualifier().hasLocation() && (type.isStruct() || type.isArray())) {
return ent.newLocation = type.getQualifier().layoutLocation;
} else {
// no locations added if already present, a built-in variable, a block, or an opaque
if (type.getQualifier().hasLocation() || type.isBuiltIn() || type.getBasicType() == EbtBlock ||
type.isAtomic() || (type.containsOpaque() && intermediate.getSpv().openGl == 0)) {
return ent.newLocation = -1;
}
// no locations on blocks of built-in variables
if (type.isStruct()) {
if (type.getStruct()->size() < 1) {
return ent.newLocation = -1;
}
if ((*type.getStruct())[0].type->isBuiltIn()) {
return ent.newLocation = -1;
}
}
}
int location = intermediate.getUniformLocationOverride(name.c_str());
if (location != -1) {
return ent.newLocation = location;
}
int size = TIntermediate::computeTypeUniformLocationSize(type);
// The uniform in current stage is not declared with location, but it is possible declared
// with explicit location in other stages, find the storageSlotMap firstly to check whether
// the uniform has location
bool hasLocation = false;
int resourceKey = buildStorageKey(EShLangCount, EvqUniform);
TVarSlotMap& slotMap = storageSlotMap[resourceKey];
// Check dose shader program has uniform resource
if (! slotMap.empty()) {
// If uniform resource not empty, try find a same name uniform
TVarSlotMap::iterator iter = slotMap.find(name);
if (iter != slotMap.end()) {
// If uniform resource be found, set it has location and this symbol's new location
// equal the uniform's explicit location declaration in other stage.
//
// vs: uniform vec4 a;
// fs: layout(..., location = 3,...) uniform vec4 a;
hasLocation = true;
location = iter->second;
}
if (! hasLocation) {
// No explicit location declaration in other stage.
// So we should find a new slot for this uniform.
//
// vs: uniform vec4 a;
// fs: uniform vec4 a;
location = getFreeSlot(resourceKey, 0, computeTypeLocationSize(type, currentStage));
storageSlotMap[resourceKey][name] = location;
}
} else {
// the first uniform declaration in a program.
TVarSlotMap varSlotMap;
location = getFreeSlot(resourceKey, 0, size);
varSlotMap[name] = location;
storageSlotMap[resourceKey] = varSlotMap;
}
return ent.newLocation = location;
}
int TDefaultGlslIoResolver::resolveBinding(EShLanguage stage, TVarEntryInfo& ent) {
const TType& type = ent.symbol->getType();
const TString& name = ent.symbol->getAccessName();
// On OpenGL arrays of opaque types take a separate binding for each element
int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
TResourceType resource = getResourceType(type);
// don't need to handle uniform symbol, it will be handled in resolveUniformLocation
if (resource == EResUbo && type.getBasicType() != EbtBlock) {
return ent.newBinding = -1;
}
// There is no 'set' qualifier in OpenGL shading language, each resource has its own
// binding name space, so remap the 'set' to resource type which make each resource
// binding is valid from 0 to MAX_XXRESOURCE_BINDINGS
int set = intermediate.getSpv().openGl != 0 ? resource : ent.newSet;
int resourceKey = set;
if (resource < EResCount) {
if (type.getQualifier().hasBinding()) {
int newBinding = reserveSlot(resourceKey, getBaseBinding(stage, resource, set) + type.getQualifier().layoutBinding, numBindings);
return ent.newBinding = newBinding;
} else {
// The resource in current stage is not declared with binding, but it is possible declared
// with explicit binding in other stages, find the resourceSlotMap firstly to check whether
// the resource has binding, don't need to allocate if it already has a binding
bool hasBinding = false;
ent.newBinding = -1; // leave as -1 if it isn't set below
if (! resourceSlotMap[resourceKey].empty()) {
TVarSlotMap::iterator iter = resourceSlotMap[resourceKey].find(name);
if (iter != resourceSlotMap[resourceKey].end()) {
hasBinding = true;
ent.newBinding = iter->second;
}
}
if (!hasBinding && (ent.live && doAutoBindingMapping())) {
// find free slot, the caller did make sure it passes all vars with binding
// first and now all are passed that do not have a binding and needs one
int binding = getFreeSlot(resourceKey, getBaseBinding(stage, resource, set), numBindings);
resourceSlotMap[resourceKey][name] = binding;
ent.newBinding = binding;
}
return ent.newBinding;
}
}
return ent.newBinding = -1;
}
void TDefaultGlslIoResolver::beginResolve(EShLanguage stage) {
// reset stage state
if (stage == EShLangCount)
preStage = currentStage = stage;
// update stage state
else if (currentStage != stage) {
preStage = currentStage;
currentStage = stage;
}
}
void TDefaultGlslIoResolver::endResolve(EShLanguage /*stage*/) {
// TODO nothing
}
void TDefaultGlslIoResolver::beginCollect(EShLanguage stage) {
// reset stage state
if (stage == EShLangCount)
preStage = currentStage = stage;
// update stage state
else if (currentStage != stage) {
preStage = currentStage;
currentStage = stage;
}
}
void TDefaultGlslIoResolver::endCollect(EShLanguage /*stage*/) {
// TODO nothing
}
void TDefaultGlslIoResolver::reserverStorageSlot(TVarEntryInfo& ent, TInfoSink& infoSink) {
const TType& type = ent.symbol->getType();
const TString& name = ent.symbol->getAccessName();
TStorageQualifier storage = type.getQualifier().storage;
EShLanguage stage(EShLangCount);
switch (storage) {
case EvqUniform:
if (type.getBasicType() != EbtBlock && type.getQualifier().hasLocation()) {
//
// Reserve the slots for the uniforms who has explicit location
int storageKey = buildStorageKey(EShLangCount, EvqUniform);
int location = type.getQualifier().layoutLocation;
TVarSlotMap& varSlotMap = storageSlotMap[storageKey];
TVarSlotMap::iterator iter = varSlotMap.find(name);
if (iter == varSlotMap.end()) {
int numLocations = TIntermediate::computeTypeUniformLocationSize(type);
reserveSlot(storageKey, location, numLocations);
varSlotMap[name] = location;
} else {
// Allocate location by name for OpenGL driver, so the uniform in different
// stages should be declared with the same location
if (iter->second != location) {
TString errorMsg = "Invalid location: " + name;
infoSink.info.message(EPrefixInternalError, errorMsg.c_str());
hasError = true;
}
}
}
break;
case EvqVaryingIn:
case EvqVaryingOut:
//
// Reserve the slots for the inout who has explicit location
if (type.getQualifier().hasLocation()) {
stage = storage == EvqVaryingIn ? preStage : stage;
stage = storage == EvqVaryingOut ? currentStage : stage;
int storageKey = buildStorageKey(stage, EvqInOut);
int location = type.getQualifier().layoutLocation;
TVarSlotMap& varSlotMap = storageSlotMap[storageKey];
TVarSlotMap::iterator iter = varSlotMap.find(name);
if (iter == varSlotMap.end()) {
int numLocations = TIntermediate::computeTypeUniformLocationSize(type);
reserveSlot(storageKey, location, numLocations);
varSlotMap[name] = location;
} else {
// Allocate location by name for OpenGL driver, so the uniform in different
// stages should be declared with the same location
if (iter->second != location) {
TString errorMsg = "Invalid location: " + name;
infoSink.info.message(EPrefixInternalError, errorMsg.c_str());
hasError = true;
}
}
}
break;
default:
break;
}
}
void TDefaultGlslIoResolver::reserverResourceSlot(TVarEntryInfo& ent, TInfoSink& infoSink) {
const TType& type = ent.symbol->getType();
const TString& name = ent.symbol->getAccessName();
TResourceType resource = getResourceType(type);
int set = intermediate.getSpv().openGl != 0 ? resource : resolveSet(ent.stage, ent);
int resourceKey = set;
if (type.getQualifier().hasBinding()) {
TVarSlotMap& varSlotMap = resourceSlotMap[resourceKey];
TVarSlotMap::iterator iter = varSlotMap.find(name);
int binding = type.getQualifier().layoutBinding + getBaseBinding(ent.stage, resource, set);
if (iter == varSlotMap.end()) {
// Reserve the slots for the ubo, ssbo and opaques who has explicit binding
int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
varSlotMap[name] = binding;
reserveSlot(resourceKey, binding, numBindings);
} else {
// Allocate binding by name for OpenGL driver, so the resource in different
// stages should be declared with the same binding
if (iter->second != binding) {
TString errorMsg = "Invalid binding: " + name;
infoSink.info.message(EPrefixInternalError, errorMsg.c_str());
hasError = true;
}
}
}
}
//TDefaultGlslIoResolver end
/*
* Basic implementation of glslang::TIoMapResolver that replaces the
* previous offset behavior.
* It does the same, uses the offsets for the corresponding uniform
* types. Also respects the EOptionAutoMapBindings flag and binds
* them if needed.
*/
/*
* Default resolver
*/
struct TDefaultIoResolver : public TDefaultIoResolverBase {
TDefaultIoResolver(const TIntermediate& intermediate) : TDefaultIoResolverBase(intermediate) { }
bool validateBinding(EShLanguage /*stage*/, TVarEntryInfo& /*ent*/) override { return true; }
TResourceType getResourceType(const glslang::TType& type) override {
if (isImageType(type)) {
return EResImage;
}
if (isTextureType(type)) {
return EResTexture;
}
if (isSsboType(type)) {
return EResSsbo;
}
if (isSamplerType(type)) {
return EResSampler;
}
if (isUboType(type)) {
return EResUbo;
}
return EResCount;
}
int resolveBinding(EShLanguage stage, TVarEntryInfo& ent) override {
const TType& type = ent.symbol->getType();
const int set = getLayoutSet(type);
// On OpenGL arrays of opaque types take a seperate binding for each element
int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
TResourceType resource = getResourceType(type);
if (resource < EResCount) {
if (type.getQualifier().hasBinding()) {
return ent.newBinding = reserveSlot(
set, getBaseBinding(stage, resource, set) + type.getQualifier().layoutBinding, numBindings);
} else if (ent.live && doAutoBindingMapping()) {
// find free slot, the caller did make sure it passes all vars with binding
// first and now all are passed that do not have a binding and needs one
return ent.newBinding = getFreeSlot(set, getBaseBinding(stage, resource, set), numBindings);
}
}
return ent.newBinding = -1;
}
};
#ifdef ENABLE_HLSL
/********************************************************************************
The following IO resolver maps types in HLSL register space, as follows:
t - for shader resource views (SRV)
TEXTURE1D
TEXTURE1DARRAY
TEXTURE2D
TEXTURE2DARRAY
TEXTURE3D
TEXTURECUBE
TEXTURECUBEARRAY
TEXTURE2DMS
TEXTURE2DMSARRAY
STRUCTUREDBUFFER
BYTEADDRESSBUFFER
BUFFER
TBUFFER
s - for samplers
SAMPLER
SAMPLER1D
SAMPLER2D
SAMPLER3D
SAMPLERCUBE
SAMPLERSTATE
SAMPLERCOMPARISONSTATE
u - for unordered access views (UAV)
RWBYTEADDRESSBUFFER
RWSTRUCTUREDBUFFER
APPENDSTRUCTUREDBUFFER
CONSUMESTRUCTUREDBUFFER
RWBUFFER
RWTEXTURE1D
RWTEXTURE1DARRAY
RWTEXTURE2D
RWTEXTURE2DARRAY
RWTEXTURE3D
b - for constant buffer views (CBV)
CBUFFER
CONSTANTBUFFER
********************************************************************************/
struct TDefaultHlslIoResolver : public TDefaultIoResolverBase {
TDefaultHlslIoResolver(const TIntermediate& intermediate) : TDefaultIoResolverBase(intermediate) { }
bool validateBinding(EShLanguage /*stage*/, TVarEntryInfo& /*ent*/) override { return true; }
TResourceType getResourceType(const glslang::TType& type) override {
if (isUavType(type)) {
return EResUav;
}
if (isSrvType(type)) {
return EResTexture;
}
if (isSamplerType(type)) {
return EResSampler;
}
if (isUboType(type)) {
return EResUbo;
}
return EResCount;
}
int resolveBinding(EShLanguage stage, TVarEntryInfo& ent) override {
const TType& type = ent.symbol->getType();
const int set = getLayoutSet(type);
TResourceType resource = getResourceType(type);
if (resource < EResCount) {
if (type.getQualifier().hasBinding()) {
return ent.newBinding = reserveSlot(set, getBaseBinding(stage, resource, set) + type.getQualifier().layoutBinding);
} else if (ent.live && doAutoBindingMapping()) {
// find free slot, the caller did make sure it passes all vars with binding
// first and now all are passed that do not have a binding and needs one
return ent.newBinding = getFreeSlot(set, getBaseBinding(stage, resource, set));
}
}
return ent.newBinding = -1;
}
};
#endif
// Map I/O variables to provided offsets, and make bindings for
// unbound but live variables.
//
// Returns false if the input is too malformed to do this.
bool TIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSink& infoSink, TIoMapResolver* resolver) {
bool somethingToDo = ! intermediate.getResourceSetBinding().empty() || intermediate.getAutoMapBindings() ||
intermediate.getAutoMapLocations();
// Restrict the stricter condition to further check 'somethingToDo' only if 'somethingToDo' has not been set, reduce
// unnecessary or insignificant for-loop operation after 'somethingToDo' have been true.
for (int res = 0; (res < EResCount && !somethingToDo); ++res) {
somethingToDo = somethingToDo || (intermediate.getShiftBinding(TResourceType(res)) != 0) ||
intermediate.hasShiftBindingForSet(TResourceType(res));
}
if (! somethingToDo && resolver == nullptr)
return true;
if (intermediate.getNumEntryPoints() != 1 || intermediate.isRecursive())
return false;
TIntermNode* root = intermediate.getTreeRoot();
if (root == nullptr)
return false;
// if no resolver is provided, use the default resolver with the given shifts and auto map settings
TDefaultIoResolver defaultResolver(intermediate);
#ifdef ENABLE_HLSL
TDefaultHlslIoResolver defaultHlslResolver(intermediate);
if (resolver == nullptr) {
// TODO: use a passed in IO mapper for this
if (intermediate.usingHlslIoMapping())
resolver = &defaultHlslResolver;
else
resolver = &defaultResolver;
}
#else
resolver = &defaultResolver;
#endif
resolver->addStage(stage, intermediate);
TVarLiveMap inVarMap, outVarMap, uniformVarMap;
TVarLiveVector inVector, outVector, uniformVector;
TVarGatherTraverser iter_binding_all(intermediate, true, inVarMap, outVarMap, uniformVarMap);
TVarGatherTraverser iter_binding_live(intermediate, false, inVarMap, outVarMap, uniformVarMap);
root->traverse(&iter_binding_all);
iter_binding_live.pushFunction(intermediate.getEntryPointMangledName().c_str());
while (! iter_binding_live.destinations.empty()) {
TIntermNode* destination = iter_binding_live.destinations.back();
iter_binding_live.destinations.pop_back();
destination->traverse(&iter_binding_live);
}
// sort entries by priority. see TVarEntryInfo::TOrderByPriority for info.
for (auto& var : inVarMap) { inVector.push_back(var); }
std::sort(inVector.begin(), inVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
for (auto& var : outVarMap) { outVector.push_back(var); }
std::sort(outVector.begin(), outVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
for (auto& var : uniformVarMap) { uniformVector.push_back(var); }
std::sort(uniformVector.begin(), uniformVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
bool hadError = false;
TVarLiveMap* dummyUniformVarMap[EShLangCount] = {};
TNotifyInOutAdaptor inOutNotify(stage, *resolver);
TNotifyUniformAdaptor uniformNotify(stage, *resolver);
TResolverUniformAdaptor uniformResolve(stage, *resolver, dummyUniformVarMap, infoSink, hadError);
TResolverInOutAdaptor inOutResolve(stage, *resolver, infoSink, hadError);
resolver->beginNotifications(stage);
std::for_each(inVector.begin(), inVector.end(), inOutNotify);
std::for_each(outVector.begin(), outVector.end(), inOutNotify);
std::for_each(uniformVector.begin(), uniformVector.end(), uniformNotify);
resolver->endNotifications(stage);
resolver->beginResolve(stage);
for (auto& var : inVector) { inOutResolve(var); }
std::for_each(inVector.begin(), inVector.end(), [&inVarMap](TVarLivePair p) {
auto at = inVarMap.find(p.second.symbol->getAccessName());
if (at != inVarMap.end() && p.second.id == at->second.id)
at->second = p.second;
});
for (auto& var : outVector) { inOutResolve(var); }
std::for_each(outVector.begin(), outVector.end(), [&outVarMap](TVarLivePair p) {
auto at = outVarMap.find(p.second.symbol->getAccessName());
if (at != outVarMap.end() && p.second.id == at->second.id)
at->second = p.second;
});
std::for_each(uniformVector.begin(), uniformVector.end(), uniformResolve);
std::for_each(uniformVector.begin(), uniformVector.end(), [&uniformVarMap](TVarLivePair p) {
auto at = uniformVarMap.find(p.second.symbol->getAccessName());
if (at != uniformVarMap.end() && p.second.id == at->second.id)
at->second = p.second;
});
resolver->endResolve(stage);
if (!hadError) {
TVarSetTraverser iter_iomap(intermediate, inVarMap, outVarMap, uniformVarMap);
root->traverse(&iter_iomap);
}
return !hadError;
}
// Map I/O variables to provided offsets, and make bindings for
// unbound but live variables.
//
// Returns false if the input is too malformed to do this.
bool TGlslIoMapper::addStage(EShLanguage stage, TIntermediate& intermediate, TInfoSink& infoSink, TIoMapResolver* resolver) {
bool somethingToDo = !intermediate.getResourceSetBinding().empty() ||
intermediate.getAutoMapBindings() ||
intermediate.getAutoMapLocations();
// Profile and version are use for symbol validate.
profile = intermediate.getProfile();
version = intermediate.getVersion();
// Restrict the stricter condition to further check 'somethingToDo' only if 'somethingToDo' has not been set, reduce
// unnecessary or insignificant for-loop operation after 'somethingToDo' have been true.
for (int res = 0; (res < EResCount && !somethingToDo); ++res) {
somethingToDo = somethingToDo || (intermediate.getShiftBinding(TResourceType(res)) != 0) ||
intermediate.hasShiftBindingForSet(TResourceType(res));
}
if (! somethingToDo && resolver == nullptr) {
return true;
}
if (intermediate.getNumEntryPoints() != 1 || intermediate.isRecursive()) {
return false;
}
TIntermNode* root = intermediate.getTreeRoot();
if (root == nullptr) {
return false;
}
// if no resolver is provided, use the default resolver with the given shifts and auto map settings
TDefaultGlslIoResolver defaultResolver(intermediate);
#ifdef ENABLE_HLSL
TDefaultHlslIoResolver defaultHlslResolver(intermediate);
if (resolver == nullptr) {
// TODO: use a passed in IO mapper for this
if (intermediate.usingHlslIoMapping())
resolver = &defaultHlslResolver;
else
resolver = &defaultResolver;
}
#else
if (resolver == nullptr) {
resolver = &defaultResolver;
}
#endif
resolver->addStage(stage, intermediate);
inVarMaps[stage] = new TVarLiveMap(); outVarMaps[stage] = new TVarLiveMap(); uniformVarMap[stage] = new TVarLiveMap();
TVarGatherTraverser iter_binding_all(intermediate, true, *inVarMaps[stage], *outVarMaps[stage],
*uniformVarMap[stage]);
TVarGatherTraverser iter_binding_live(intermediate, false, *inVarMaps[stage], *outVarMaps[stage],
*uniformVarMap[stage]);
root->traverse(&iter_binding_all);
iter_binding_live.pushFunction(intermediate.getEntryPointMangledName().c_str());
while (! iter_binding_live.destinations.empty()) {
TIntermNode* destination = iter_binding_live.destinations.back();
iter_binding_live.destinations.pop_back();
destination->traverse(&iter_binding_live);
}
TNotifyInOutAdaptor inOutNotify(stage, *resolver);
TNotifyUniformAdaptor uniformNotify(stage, *resolver);
// Resolve current stage input symbol location with previous stage output here,
// uniform symbol, ubo, ssbo and opaque symbols are per-program resource,
// will resolve uniform symbol location and ubo/ssbo/opaque binding in doMap()
resolver->beginNotifications(stage);
std::for_each(inVarMaps[stage]->begin(), inVarMaps[stage]->end(), inOutNotify);
std::for_each(outVarMaps[stage]->begin(), outVarMaps[stage]->end(), inOutNotify);
std::for_each(uniformVarMap[stage]->begin(), uniformVarMap[stage]->end(), uniformNotify);
resolver->endNotifications(stage);
TSlotCollector slotCollector(*resolver, infoSink);
resolver->beginCollect(stage);
std::for_each(inVarMaps[stage]->begin(), inVarMaps[stage]->end(), slotCollector);
std::for_each(outVarMaps[stage]->begin(), outVarMaps[stage]->end(), slotCollector);
std::for_each(uniformVarMap[stage]->begin(), uniformVarMap[stage]->end(), slotCollector);
resolver->endCollect(stage);
intermediates[stage] = &intermediate;
return !hadError;
}
bool TGlslIoMapper::doMap(TIoMapResolver* resolver, TInfoSink& infoSink) {
resolver->endResolve(EShLangCount);
if (!hadError) {
//Resolve uniform location, ubo/ssbo/opaque bindings across stages
TResolverUniformAdaptor uniformResolve(EShLangCount, *resolver, uniformVarMap, infoSink, hadError);
TResolverInOutAdaptor inOutResolve(EShLangCount, *resolver, infoSink, hadError);
TSymbolValidater symbolValidater(*resolver, infoSink, inVarMaps,
outVarMaps, uniformVarMap, hadError, profile, version);
TVarLiveVector inVectors[EShLangCount];
TVarLiveVector outVectors[EShLangCount];
TVarLiveVector uniformVector;
resolver->beginResolve(EShLangCount);
for (int stage = EShLangVertex; stage < EShLangCount; stage++) {
if (inVarMaps[stage] != nullptr) {
inOutResolve.setStage(EShLanguage(stage));
// copy vars into a sorted list
std::for_each(inVarMaps[stage]->begin(), inVarMaps[stage]->end(),
[&inVectors, stage](TVarLivePair p) { inVectors[stage].push_back(p); });
std::sort(inVectors[stage].begin(), inVectors[stage].end(),
[](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
std::for_each(outVarMaps[stage]->begin(), outVarMaps[stage]->end(),
[&outVectors, stage](TVarLivePair p) { outVectors[stage].push_back(p); });
std::sort(outVectors[stage].begin(), outVectors[stage].end(),
[](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
for (auto& var : inVectors[stage]) { symbolValidater(var); }
for (auto& var : inVectors[stage]) { inOutResolve(var); }
for (auto& var : outVectors[stage]) { symbolValidater(var); }
for (auto& var : outVectors[stage]) { inOutResolve(var); }
// copy results back into maps
std::for_each(inVectors[stage].begin(), inVectors[stage].end(),
[this, stage](TVarLivePair p) {
auto at = inVarMaps[stage]->find(p.first);
if (at != inVarMaps[stage]->end())
at->second = p.second;
});
std::for_each(outVectors[stage].begin(), outVectors[stage].end(),
[this, stage](TVarLivePair p) {
auto at = outVarMaps[stage]->find(p.first);
if (at != outVarMaps[stage]->end())
at->second = p.second;
});
}
if (uniformVarMap[stage] != nullptr) {
uniformResolve.setStage(EShLanguage(stage));
for (auto& var : *(uniformVarMap[stage])) { uniformVector.push_back(var); }
}
}
std::sort(uniformVector.begin(), uniformVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriorityAndLive()(p1.second, p2.second);
});
for (auto& var : uniformVector) { symbolValidater(var); }
for (auto& var : uniformVector) { uniformResolve(var); }
std::sort(uniformVector.begin(), uniformVector.end(), [](const TVarLivePair& p1, const TVarLivePair& p2) -> bool {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
resolver->endResolve(EShLangCount);
for (size_t stage = 0; stage < EShLangCount; stage++) {
if (intermediates[stage] != nullptr) {
// traverse each stage, set new location to each input/output and unifom symbol, set new binding to
// ubo, ssbo and opaque symbols
TVarLiveMap** pUniformVarMap = uniformResolve.uniformVarMap;
std::for_each(uniformVector.begin(), uniformVector.end(), [pUniformVarMap, stage](TVarLivePair p) {
auto at = pUniformVarMap[stage]->find(p.second.symbol->getAccessName());
if (at != pUniformVarMap[stage]->end() && at->second.id == p.second.id){
int resolvedBinding = at->second.newBinding;
at->second = p.second;
if (resolvedBinding > 0)
at->second.newBinding = resolvedBinding;
}
});
TVarSetTraverser iter_iomap(*intermediates[stage], *inVarMaps[stage], *outVarMaps[stage],
*uniformResolve.uniformVarMap[stage]);
intermediates[stage]->getTreeRoot()->traverse(&iter_iomap);
}
}
return !hadError;
} else {
return false;
}
}
} // end namespace glslang
#endif // !GLSLANG_WEB && !GLSLANG_ANGLE