diff options
Diffstat (limited to 'src/3rdparty/angle/src/compiler/OutputGLSLBase.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/compiler/OutputGLSLBase.cpp | 168 |
1 files changed, 124 insertions, 44 deletions
diff --git a/src/3rdparty/angle/src/compiler/OutputGLSLBase.cpp b/src/3rdparty/angle/src/compiler/OutputGLSLBase.cpp index 552fa5066d..1b9a10deaa 100644 --- a/src/3rdparty/angle/src/compiler/OutputGLSLBase.cpp +++ b/src/3rdparty/angle/src/compiler/OutputGLSLBase.cpp @@ -7,37 +7,10 @@ #include "compiler/OutputGLSLBase.h" #include "compiler/debug.h" +#include <cfloat> + namespace { -TString getTypeName(const TType& type) -{ - TInfoSinkBase out; - if (type.isMatrix()) - { - out << "mat"; - out << type.getNominalSize(); - } - else if (type.isVector()) - { - switch (type.getBasicType()) - { - case EbtFloat: out << "vec"; break; - case EbtInt: out << "ivec"; break; - case EbtBool: out << "bvec"; break; - default: UNREACHABLE(); break; - } - out << type.getNominalSize(); - } - else - { - if (type.getBasicType() == EbtStruct) - out << type.getTypeName(); - else - out << type.getBasicString(); - } - return TString(out.c_str()); -} - TString arrayBrackets(const TType& type) { ASSERT(type.isArray()); @@ -66,10 +39,18 @@ bool isSingleStatement(TIntermNode* node) { } } // namespace -TOutputGLSLBase::TOutputGLSLBase(TInfoSinkBase& objSink) +TOutputGLSLBase::TOutputGLSLBase(TInfoSinkBase& objSink, + ShArrayIndexClampingStrategy clampingStrategy, + ShHashFunction64 hashFunction, + NameMap& nameMap, + TSymbolTable& symbolTable) : TIntermTraverser(true, true, true), mObjSink(objSink), - mDeclaringVariables(false) + mDeclaringVariables(false), + mClampingStrategy(clampingStrategy), + mHashFunction(hashFunction), + mNameMap(nameMap), + mSymbolTable(symbolTable) { } @@ -101,7 +82,7 @@ void TOutputGLSLBase::writeVariableType(const TType& type) if ((type.getBasicType() == EbtStruct) && (mDeclaredStructs.find(type.getTypeName()) == mDeclaredStructs.end())) { - out << "struct " << type.getTypeName() << "{\n"; + out << "struct " << hashName(type.getTypeName()) << "{\n"; const TTypeList* structure = type.getStruct(); ASSERT(structure != NULL); for (size_t i = 0; i < structure->size(); ++i) @@ -110,7 +91,7 @@ void TOutputGLSLBase::writeVariableType(const TType& type) ASSERT(fieldType != NULL); if (writeVariablePrecision(fieldType->getPrecision())) out << " "; - out << getTypeName(*fieldType) << " " << fieldType->getFieldName(); + out << getTypeName(*fieldType) << " " << hashName(fieldType->getFieldName()); if (fieldType->isArray()) out << arrayBrackets(*fieldType); out << ";\n"; @@ -140,7 +121,7 @@ void TOutputGLSLBase::writeFunctionParameters(const TIntermSequence& args) const TString& name = arg->getSymbol(); if (!name.empty()) - out << " " << name; + out << " " << hashName(name); if (type.isArray()) out << arrayBrackets(type); @@ -157,7 +138,7 @@ const ConstantUnion* TOutputGLSLBase::writeConstantUnion(const TType& type, if (type.getBasicType() == EbtStruct) { - out << type.getTypeName() << "("; + out << hashName(type.getTypeName()) << "("; const TTypeList* structure = type.getStruct(); ASSERT(structure != NULL); for (size_t i = 0; i < structure->size(); ++i) @@ -178,7 +159,7 @@ const ConstantUnion* TOutputGLSLBase::writeConstantUnion(const TType& type, { switch (pConstUnion->getType()) { - case EbtFloat: out << pConstUnion->getFConst(); break; + case EbtFloat: out << std::min(FLT_MAX, std::max(-FLT_MAX, pConstUnion->getFConst())); break; case EbtInt: out << pConstUnion->getIConst(); break; case EbtBool: out << pConstUnion->getBConst(); break; default: UNREACHABLE(); @@ -196,7 +177,7 @@ void TOutputGLSLBase::visitSymbol(TIntermSymbol* node) if (mLoopUnroll.NeedsToReplaceSymbolWithValue(node)) out << mLoopUnroll.GetLoopIndexValue(node); else - out << node->getSymbol(); + out << hashVariableName(node->getSymbol()); if (mDeclaringVariables && node->getType().isArray()) out << arrayBrackets(node->getType()); @@ -235,15 +216,59 @@ bool TOutputGLSLBase::visitBinary(Visit visit, TIntermBinary* node) break; case EOpIndexDirect: - case EOpIndexIndirect: writeTriplet(visit, NULL, "[", "]"); break; + case EOpIndexIndirect: + if (node->getAddIndexClamp()) + { + if (visit == InVisit) + { + if (mClampingStrategy == SH_CLAMP_WITH_CLAMP_INTRINSIC) { + out << "[int(clamp(float("; + } else { + out << "[webgl_int_clamp("; + } + } + else if (visit == PostVisit) + { + int maxSize; + TIntermTyped *left = node->getLeft(); + TType leftType = left->getType(); + + if (left->isArray()) + { + // The shader will fail validation if the array length is not > 0. + maxSize = leftType.getArraySize() - 1; + } + else + { + maxSize = leftType.getNominalSize() - 1; + } + + if (mClampingStrategy == SH_CLAMP_WITH_CLAMP_INTRINSIC) { + out << "), 0.0, float(" << maxSize << ")))]"; + } else { + out << ", 0, " << maxSize << ")]"; + } + } + } + else + { + writeTriplet(visit, NULL, "[", "]"); + } + break; case EOpIndexDirectStruct: if (visit == InVisit) { out << "."; // TODO(alokp): ASSERT - out << node->getType().getFieldName(); + TString fieldName = node->getType().getFieldName(); + + const TType& structType = node->getLeft()->getType(); + if (!mSymbolTable.findBuiltIn(structType.getTypeName())) + fieldName = hashName(fieldName); + + out << fieldName; visitChildren = false; } break; @@ -467,7 +492,7 @@ bool TOutputGLSLBase::visitAggregate(Visit visit, TIntermAggregate* node) // Function declaration. ASSERT(visit == PreVisit); writeVariableType(node->getType()); - out << " " << node->getName(); + out << " " << hashName(node->getName()); out << "("; writeFunctionParameters(node->getSequence()); @@ -480,7 +505,7 @@ bool TOutputGLSLBase::visitAggregate(Visit visit, TIntermAggregate* node) // Function definition. ASSERT(visit == PreVisit); writeVariableType(node->getType()); - out << " " << TFunction::unmangleName(node->getName()); + out << " " << hashFunctionName(node->getName()); incrementDepth(); // Function definition node contains one or two children nodes @@ -510,8 +535,7 @@ bool TOutputGLSLBase::visitAggregate(Visit visit, TIntermAggregate* node) // Function call. if (visit == PreVisit) { - TString functionName = TFunction::unmangleName(node->getName()); - out << functionName << "("; + out << hashFunctionName(node->getName()) << "("; } else if (visit == InVisit) { @@ -572,7 +596,7 @@ bool TOutputGLSLBase::visitAggregate(Visit visit, TIntermAggregate* node) { const TType& type = node->getType(); ASSERT(type.getBasicType() == EbtStruct); - out << type.getTypeName() << "("; + out << hashName(type.getTypeName()) << "("; } else if (visit == InVisit) { @@ -718,3 +742,59 @@ void TOutputGLSLBase::visitCodeBlock(TIntermNode* node) { out << "{\n}\n"; // Empty code block. } } + +TString TOutputGLSLBase::getTypeName(const TType& type) +{ + TInfoSinkBase out; + if (type.isMatrix()) + { + out << "mat"; + out << type.getNominalSize(); + } + else if (type.isVector()) + { + switch (type.getBasicType()) + { + case EbtFloat: out << "vec"; break; + case EbtInt: out << "ivec"; break; + case EbtBool: out << "bvec"; break; + default: UNREACHABLE(); break; + } + out << type.getNominalSize(); + } + else + { + if (type.getBasicType() == EbtStruct) + out << hashName(type.getTypeName()); + else + out << type.getBasicString(); + } + return TString(out.c_str()); +} + +TString TOutputGLSLBase::hashName(const TString& name) +{ + if (mHashFunction == NULL || name.empty()) + return name; + NameMap::const_iterator it = mNameMap.find(name.c_str()); + if (it != mNameMap.end()) + return it->second.c_str(); + TString hashedName = TIntermTraverser::hash(name, mHashFunction); + mNameMap[name.c_str()] = hashedName.c_str(); + return hashedName; +} + +TString TOutputGLSLBase::hashVariableName(const TString& name) +{ + if (mSymbolTable.findBuiltIn(name) != NULL) + return name; + return hashName(name); +} + +TString TOutputGLSLBase::hashFunctionName(const TString& mangled_name) +{ + TString name = TFunction::unmangleName(mangled_name); + if (mSymbolTable.findBuiltIn(mangled_name) != NULL || name == "main") + return name; + return hashName(name); +} |