void TOutputGLSLBase::writeVariableType(const TType& type) { TInfoSinkBase& out = objSink(); TQualifier qualifier = type.getQualifier(); // TODO(alokp): Validate qualifier for variable declarations. if ((qualifier != EvqTemporary) && (qualifier != EvqGlobal)) out << type.getQualifierString() << " "; // Declare the struct if we have not done so already. if ((type.getBasicType() == EbtStruct) && (mDeclaredStructs.find(type.getTypeName()) == mDeclaredStructs.end())) { out << "struct " << type.getTypeName() << "{\n"; const TTypeList* structure = type.getStruct(); ASSERT(structure != NULL); for (size_t i = 0; i < structure->size(); ++i) { const TType* fieldType = (*structure)[i].type; ASSERT(fieldType != NULL); if (writeVariablePrecision(fieldType->getPrecision())) out << " "; out << getTypeName(*fieldType) << " " << fieldType->getFieldName(); if (fieldType->isArray()) out << arrayBrackets(*fieldType); out << ";\n"; } out << "}"; mDeclaredStructs.insert(type.getTypeName()); } else { if (writeVariablePrecision(type.getPrecision())) out << " "; out << getTypeName(type); } }
void TOutputGLSLBase::writeVariableType(const TType &type) { TInfoSinkBase &out = objSink(); TQualifier qualifier = type.getQualifier(); if (qualifier != EvqTemporary && qualifier != EvqGlobal) { out << type.getQualifierString() << " "; } // Declare the struct if we have not done so already. if (type.getBasicType() == EbtStruct && !structDeclared(type.getStruct())) { TStructure *structure = type.getStruct(); declareStruct(structure); if (!structure->name().empty()) { mDeclaredStructs.insert(structure->uniqueId()); } } else { if (writeVariablePrecision(type.getPrecision())) out << " "; out << getTypeName(type); } }
void TOutputGLSLBase::writeVariableType(const TType &type) { TInfoSinkBase &out = objSink(); if (type.isInvariant()) { out << "invariant "; } TQualifier qualifier = type.getQualifier(); if (qualifier != EvqTemporary && qualifier != EvqGlobal) { if (IsGLSL130OrNewer(mOutput)) { switch (qualifier) { case EvqAttribute: out << "in "; break; case EvqVaryingIn: out << "in "; break; case EvqVaryingOut: out << "out "; break; default: out << type.getQualifierString() << " "; break; } } else { out << type.getQualifierString() << " "; } } // Declare the struct if we have not done so already. if (type.getBasicType() == EbtStruct && !structDeclared(type.getStruct())) { TStructure *structure = type.getStruct(); declareStruct(structure); if (!structure->name().empty()) { mDeclaredStructs.insert(structure->uniqueId()); } } else { if (writeVariablePrecision(type.getPrecision())) out << " "; out << getTypeName(type); } }
GLenum GLVariablePrecision(const TType &type) { if (type.getBasicType() == EbtFloat) { switch (type.getPrecision()) { case EbpHigh: return GL_HIGH_FLOAT; case EbpMedium: return GL_MEDIUM_FLOAT; case EbpLow: return GL_LOW_FLOAT; case EbpUndefined: // Should be defined as the default precision by the parser default: UNREACHABLE(); } } else if (type.getBasicType() == EbtInt || type.getBasicType() == EbtUInt) { switch (type.getPrecision()) { case EbpHigh: return GL_HIGH_INT; case EbpMedium: return GL_MEDIUM_INT; case EbpLow: return GL_LOW_INT; case EbpUndefined: // Should be defined as the default precision by the parser default: UNREACHABLE(); } } // Other types (boolean, sampler) don't have a precision return GL_NONE; }
TString ScalarizeVecAndMatConstructorArgs::createTempVariable(TIntermTyped *original) { TString tempVarName = "_webgl_tmp_"; if (original->isScalar()) { tempVarName += "scalar_"; } else if (original->isVector()) { tempVarName += "vec_"; } else { ASSERT(original->isMatrix()); tempVarName += "mat_"; } tempVarName += Str(mTempVarCount).c_str(); mTempVarCount++; ASSERT(original); TType type = original->getType(); type.setQualifier(EvqTemporary); if (mShaderType == GL_FRAGMENT_SHADER && type.getBasicType() == EbtFloat && type.getPrecision() == EbpUndefined) { // We use the highest available precision for the temporary variable // to avoid computing the actual precision using the rules defined // in GLSL ES 1.0 Section 4.5.2. type.setPrecision(mFragmentPrecisionHigh ? EbpHigh : EbpMedium); } TIntermBinary *init = new TIntermBinary(EOpInitialize); TIntermSymbol *symbolNode = new TIntermSymbol(-1, tempVarName, type); init->setLeft(symbolNode); init->setRight(original); init->setType(type); TIntermAggregate *decl = new TIntermAggregate(EOpDeclaration); decl->getSequence()->push_back(init); ASSERT(mSequenceStack.size() > 0); TIntermSequence &sequence = mSequenceStack.back(); sequence.push_back(decl); return tempVarName; }
void TOutputGLSLBase::writeVariableType(const TType& type) { TInfoSinkBase& out = objSink(); TQualifier qualifier = type.getQualifier(); // TODO(alokp): Validate qualifier for variable declarations. if ((qualifier != EvqTemporary) && (qualifier != EvqGlobal)) out << type.getQualifierString() << " "; // Declare the struct if we have not done so already. if ((type.getBasicType() == EbtStruct) && !structDeclared(type.getStruct())) { declareStruct(type.getStruct()); } else { if (writeVariablePrecision(type.getPrecision())) out << " "; out << getTypeName(type); } }