case EOpPreIncrement: return "++";
case EOpPreDecrement: return "--";
- // Fall-through.
- case EOpConvIntToBool:
- case EOpConvFloatToBool: return "bool";
-
- // Fall-through.
- case EOpConvBoolToFloat:
- case EOpConvIntToFloat: return "float";
-
- // Fall-through.
- case EOpConvFloatToInt:
- case EOpConvBoolToInt: return "int";
-
case EOpRadians: return "radians";
case EOpDegrees: return "degrees";
case EOpSin: return "sin";
}
//
-// Convert one type to another.
-//
-// Returns the node representing the conversion, which could be the same
-// node passed in if no conversion was needed.
-//
-// Return 0 if a conversion can't be done.
-//
-TIntermTyped* TIntermediate::addConversion(TOperator op, const TType& type, TIntermTyped* node)
-{
- //
- // Does the base type allow operation?
- //
- if (node->getBasicType() == EbtVoid || IsSampler(node->getBasicType()))
- {
- return 0;
- }
-
- //
- // Otherwise, if types are identical, no problem
- //
- if (type == node->getType())
- return node;
-
- //
- // If one's a structure, then no conversions.
- //
- if (type.getStruct() || node->getType().getStruct())
- return 0;
-
- //
- // If one's an array, then no conversions.
- //
- if (type.isArray() || node->getType().isArray())
- return 0;
-
- TBasicType promoteTo;
-
- switch (op) {
- //
- // Explicit conversions
- //
- case EOpConstructBool:
- promoteTo = EbtBool;
- break;
- case EOpConstructFloat:
- promoteTo = EbtFloat;
- break;
- case EOpConstructInt:
- promoteTo = EbtInt;
- break;
- default:
- //
- // implicit conversions were removed from the language.
- //
- if (type.getBasicType() != node->getType().getBasicType())
- return 0;
- //
- // Size and structure could still differ, but that's
- // handled by operator promotion.
- //
- return node;
- }
-
- if (node->getAsConstantUnion()) {
-
- return (promoteConstantUnion(promoteTo, node->getAsConstantUnion()));
- } else {
-
- //
- // Add a new newNode for the conversion.
- //
- TIntermUnary* newNode = 0;
-
- TOperator newOp = EOpNull;
- switch (promoteTo) {
- case EbtFloat:
- switch (node->getBasicType()) {
- case EbtInt: newOp = EOpConvIntToFloat; break;
- case EbtBool: newOp = EOpConvBoolToFloat; break;
- default:
- infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
- return 0;
- }
- break;
- case EbtBool:
- switch (node->getBasicType()) {
- case EbtInt: newOp = EOpConvIntToBool; break;
- case EbtFloat: newOp = EOpConvFloatToBool; break;
- default:
- infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
- return 0;
- }
- break;
- case EbtInt:
- switch (node->getBasicType()) {
- case EbtBool: newOp = EOpConvBoolToInt; break;
- case EbtFloat: newOp = EOpConvFloatToInt; break;
- default:
- infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
- return 0;
- }
- break;
- default:
- infoSink.info.message(EPrefixInternalError, "Bad promotion type", node->getLine());
- return 0;
- }
-
- TType type(promoteTo, node->getPrecision(), EvqTemporary, node->getNominalSize(), node->isMatrix(), node->isArray());
- newNode = new TIntermUnary(newOp, type);
- newNode->setLine(node->getLine());
- newNode->setOperand(node);
-
- return newNode;
- }
-}
-
-//
// Safe way to combine two nodes into an aggregate. Works with null pointers,
// a node that's not a aggregate yet, etc.
//
assignLvalue(arg, result);\r
}\r
break;\r
- case EOpConvIntToBool: if(visit == PostVisit) emit(sw::Shader::OPCODE_F2B, result, arg); break; // Integers are implemented as float\r
- case EOpConvFloatToBool: if(visit == PostVisit) emit(sw::Shader::OPCODE_F2B, result, arg); break;\r
- case EOpConvBoolToFloat: if(visit == PostVisit) emit(sw::Shader::OPCODE_B2F, result, arg); break;\r
- case EOpConvIntToFloat: if(visit == PostVisit) emit(sw::Shader::OPCODE_MOV, result, arg); break; // Integers are implemented as float\r
- case EOpConvFloatToInt: if(visit == PostVisit) emit(sw::Shader::OPCODE_TRUNC, result, arg); break; // Integers are implemented as float\r
- case EOpConvBoolToInt: if(visit == PostVisit) emit(sw::Shader::OPCODE_B2F, result, arg); break; // Integers are implemented as float\r
case EOpRadians: if(visit == PostVisit) emit(sw::Shader::OPCODE_MUL, result, arg, &rad); break;\r
case EOpDegrees: if(visit == PostVisit) emit(sw::Shader::OPCODE_MUL, result, arg, °); break;\r
case EOpSin: if(visit == PostVisit) emit(sw::Shader::OPCODE_SIN, result, arg); break;\r
return 0;
}
-// Function for constructor implementation. Calls addUnaryMath with appropriate EOp value
-// for the parameter to the constructor (passed to this function). Essentially, it converts
-// the parameter types correctly. If a constructor expects an int (like ivec2) and is passed a
-// float, then float is converted to int.
-//
-// Returns 0 for an error or the constructed node.
-//
-TIntermTyped* TParseContext::constructBuiltIn(const TType* type, TOperator op, TIntermNode* node, TSourceLoc line, bool subset)
-{
- TIntermTyped* newNode;
- TOperator basicOp;
-
- //
- // First, convert types as needed.
- //
- switch (op) {
- case EOpConstructVec2:
- case EOpConstructVec3:
- case EOpConstructVec4:
- case EOpConstructMat2:
- case EOpConstructMat3:
- case EOpConstructMat4:
- case EOpConstructFloat:
- basicOp = EOpConstructFloat;
- break;
-
- case EOpConstructIVec2:
- case EOpConstructIVec3:
- case EOpConstructIVec4:
- case EOpConstructInt:
- basicOp = EOpConstructInt;
- break;
-
- case EOpConstructBVec2:
- case EOpConstructBVec3:
- case EOpConstructBVec4:
- case EOpConstructBool:
- basicOp = EOpConstructBool;
- break;
-
- default:
- error(line, "unsupported construction", "");
- recover();
-
- return 0;
- }
- newNode = intermediate.addUnaryMath(basicOp, node, node->getLine());
- if (newNode == 0) {
- error(line, "can't convert", "constructor");
- return 0;
- }
-
- //
- // Now, if there still isn't an operation to do the construction, and we need one, add one.
- //
-
- // Otherwise, skip out early.
- if (subset || (newNode != node && newNode->getType() == *type))
- return newNode;
-
- // setAggregateOperator will insert a new node for the constructor, as needed.
- return intermediate.setAggregateOperator(newNode, op, line);
-}
-
-// This function tests for the type of the parameters to the structures constructors. Raises
-// an error message if the expected type does not match the parameter passed to the constructor.
-//
-// Returns 0 for an error or the input node itself if the expected and the given parameter types match.
-//
-TIntermTyped* TParseContext::constructStruct(TIntermNode* node, TType* type, int paramCount, TSourceLoc line, bool subset)
-{
- if (*type == node->getAsTyped()->getType()) {
- if (subset)
- return node->getAsTyped();
- else
- return intermediate.setAggregateOperator(node->getAsTyped(), EOpConstructStruct, line);
- } else {
- std::stringstream extraInfoStream;
- extraInfoStream << "cannot convert parameter " << paramCount
- << " from '" << node->getAsTyped()->getType().getBasicString()
- << "' to '" << type->getBasicString() << "'";
- std::string extraInfo = extraInfoStream.str();
- error(line, "", "constructor", extraInfo.c_str());
- recover();
- }
-
- return 0;
-}
-
//
// This function returns the tree representation for the vector field(s) being accessed from contant vector.
// If only one component of vector is accessed (v.x or v[0] where v is a contant vector), then a contant node is
TIntermTyped* addConstructor(TIntermNode*, const TType*, TOperator, TFunction*, TSourceLoc);
TIntermTyped* foldConstConstructor(TIntermAggregate* aggrNode, const TType& type);
- TIntermTyped* constructStruct(TIntermNode*, TType*, int, TSourceLoc, bool subset);
- TIntermTyped* constructBuiltIn(const TType*, TOperator, TIntermNode*, TSourceLoc, bool subset);
TIntermTyped* addConstVectorNode(TVectorFields&, TIntermTyped*, TSourceLoc);
TIntermTyped* addConstMatrixNode(int , TIntermTyped*, TSourceLoc);
TIntermTyped* addConstArrayNode(int index, TIntermTyped* node, TSourceLoc line);
case EOpPreIncrement: out << "Pre-Increment"; break;
case EOpPreDecrement: out << "Pre-Decrement"; break;
- case EOpConvIntToBool: out << "Convert int to bool"; break;
- case EOpConvFloatToBool:out << "Convert float to bool";break;
- case EOpConvBoolToFloat:out << "Convert bool to float";break;
- case EOpConvIntToFloat: out << "Convert int to float"; break;
- case EOpConvFloatToInt: out << "Convert float to int"; break;
- case EOpConvBoolToInt: out << "Convert bool to int"; break;
-
case EOpRadians: out << "radians"; break;
case EOpDegrees: out << "degrees"; break;
case EOpSin: out << "sine"; break;
EOpPreIncrement,
EOpPreDecrement,
- EOpConvIntToBool,
- EOpConvFloatToBool,
- EOpConvBoolToFloat,
- EOpConvIntToFloat,
- EOpConvFloatToInt,
- EOpConvBoolToInt,
-
//
// binary operations
//
//
class TInfoSink;
class TIntermediate {
-public:
+public:
POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
TIntermediate(TInfoSink& i) : infoSink(i) { }
TIntermSymbol* addSymbol(int Id, const TString&, const TType&, TSourceLoc);
- TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc);
TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc);
TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, TSourceLoc);
- TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ;
- bool parseConstTree(TSourceLoc, TIntermNode*, ConstantUnion*, TOperator, TType, bool singleConstantParam = false);
+ TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*);
+ bool parseConstTree(TSourceLoc, TIntermNode*, ConstantUnion*, TOperator, TType, bool singleConstantParam = false);
TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, TSourceLoc);
TIntermBranch* addBranch(TOperator, TSourceLoc);
TIntermBranch* addBranch(TOperator, TIntermTyped*, TSourceLoc);
TIntermTyped* addSwizzle(TVectorFields&, TSourceLoc);
bool postProcess(TIntermNode*);
- void remove(TIntermNode*);
+ void remove(TIntermNode*);
void outputTree(TIntermNode*);
protected:
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