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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_INTERMEDIATE_H_
#define COMPILER_TRANSLATOR_INTERMEDIATE_H_
#include "compiler/translator/IntermNode.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 *addIndex(
TOperator op, TIntermTyped *base, TIntermTyped *index, const TSourceLoc &);
TIntermTyped *addUnaryMath(
TOperator op, TIntermTyped *child, const TSourceLoc &line, const TType *funcReturnType);
TIntermAggregate *growAggregate(
TIntermNode *left, TIntermNode *right, const TSourceLoc &);
TIntermAggregate *makeAggregate(TIntermNode *node, const TSourceLoc &);
TIntermAggregate *ensureSequence(TIntermNode *node);
TIntermAggregate *setAggregateOperator(TIntermNode *, TOperator, const TSourceLoc &);
TIntermNode *addSelection(TIntermTyped *cond, TIntermNodePair code, const TSourceLoc &);
TIntermTyped *addSelection(TIntermTyped *cond, TIntermTyped *trueBlock, TIntermTyped *falseBlock,
const TSourceLoc &line);
TIntermSwitch *addSwitch(
TIntermTyped *init, TIntermAggregate *statementList, const TSourceLoc &line);
TIntermCase *addCase(
TIntermTyped *condition, const TSourceLoc &line);
TIntermTyped *addComma(TIntermTyped *left,
TIntermTyped *right,
const TSourceLoc &line,
int shaderVersion);
TIntermConstantUnion *addConstantUnion(const TConstantUnion *constantUnion,
const TType &type,
const TSourceLoc &line);
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 &);
TIntermAggregate *postProcess(TIntermNode *root);
static void outputTree(TIntermNode *, TInfoSinkBase &);
TIntermTyped *foldAggregateBuiltIn(TIntermAggregate *aggregate);
private:
void operator=(TIntermediate &); // prevent assignments
TInfoSink & mInfoSink;
};
#endif // COMPILER_TRANSLATOR_INTERMEDIATE_H_
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