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//
// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#ifndef COMPILER_TRANSLATOR_LOCAL_INTERMEDIATE_H_
#define COMPILER_TRANSLATOR_LOCAL_INTERMEDIATE_H_
#include "compiler/translator/intermediate.h"
struct TVectorFields
{
int offsets[4];
int num;
};
//
// Set of helper functions to help parse and build the tree.
//
class TInfoSink;
class TIntermediate
{
public:
POOL_ALLOCATOR_NEW_DELETE();
TIntermediate(TInfoSink &i)
: mInfoSink(i) { }
TIntermSymbol *addSymbol(
int id, const TString &, const TType &, const TSourceLoc &);
TIntermTyped *addBinaryMath(
TOperator op, TIntermTyped *left, TIntermTyped *right, const TSourceLoc &);
TIntermTyped *addAssign(
TOperator op, TIntermTyped *left, TIntermTyped *right, const TSourceLoc &);
TIntermTyped *addIndex(
TOperator op, TIntermTyped *base, TIntermTyped *index, const TSourceLoc &);
TIntermTyped *addUnaryMath(
TOperator op, TIntermNode *child, const TSourceLoc &);
TIntermAggregate *growAggregate(
TIntermNode *left, TIntermNode *right, const TSourceLoc &);
TIntermAggregate *makeAggregate(TIntermNode *node, const TSourceLoc &);
TIntermAggregate *setAggregateOperator(TIntermNode *, TOperator, const TSourceLoc &);
TIntermNode *addSelection(TIntermTyped *cond, TIntermNodePair code, const TSourceLoc &);
TIntermTyped *addSelection(
TIntermTyped *cond, TIntermTyped *trueBlock, TIntermTyped *falseBlock, const TSourceLoc &);
TIntermTyped *addComma(
TIntermTyped *left, TIntermTyped *right, const TSourceLoc &);
TIntermConstantUnion *addConstantUnion(ConstantUnion *, const TType &, const TSourceLoc &);
// TODO(zmo): Get rid of default value.
bool parseConstTree(const TSourceLoc &, TIntermNode *, ConstantUnion *,
TOperator, TType, bool singleConstantParam = false);
TIntermNode *addLoop(TLoopType, TIntermNode *, TIntermTyped *, TIntermTyped *,
TIntermNode *, const TSourceLoc &);
TIntermBranch *addBranch(TOperator, const TSourceLoc &);
TIntermBranch *addBranch(TOperator, TIntermTyped *, const TSourceLoc &);
TIntermTyped *addSwizzle(TVectorFields &, const TSourceLoc &);
bool postProcess(TIntermNode *);
void remove(TIntermNode *);
void outputTree(TIntermNode *);
private:
void operator=(TIntermediate &); // prevent assignments
TInfoSink & mInfoSink;
};
#endif // COMPILER_TRANSLATOR_LOCAL_INTERMEDIATE_H_
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