1 : //
2 : // Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
3 : // Use of this source code is governed by a BSD-style license that can be
4 : // found in the LICENSE file.
5 : //
6 :
7 : #ifndef CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
8 : #define CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
9 :
10 : #include <set>
11 :
12 : #include "compiler/ForLoopUnroll.h"
13 : #include "compiler/intermediate.h"
14 : #include "compiler/ParseHelper.h"
15 :
16 : class TOutputGLSLBase : public TIntermTraverser
17 0 : {
18 : public:
19 : TOutputGLSLBase(TInfoSinkBase& objSink);
20 :
21 : protected:
22 0 : TInfoSinkBase& objSink() { return mObjSink; }
23 : void writeTriplet(Visit visit, const char* preStr, const char* inStr, const char* postStr);
24 : void writeVariableType(const TType& type);
25 : virtual bool writeVariablePrecision(TPrecision precision) = 0;
26 : void writeFunctionParameters(const TIntermSequence& args);
27 : const ConstantUnion* writeConstantUnion(const TType& type, const ConstantUnion* pConstUnion);
28 :
29 : virtual void visitSymbol(TIntermSymbol* node);
30 : virtual void visitConstantUnion(TIntermConstantUnion* node);
31 : virtual bool visitBinary(Visit visit, TIntermBinary* node);
32 : virtual bool visitUnary(Visit visit, TIntermUnary* node);
33 : virtual bool visitSelection(Visit visit, TIntermSelection* node);
34 : virtual bool visitAggregate(Visit visit, TIntermAggregate* node);
35 : virtual bool visitLoop(Visit visit, TIntermLoop* node);
36 : virtual bool visitBranch(Visit visit, TIntermBranch* node);
37 :
38 : void visitCodeBlock(TIntermNode* node);
39 :
40 : private:
41 : TInfoSinkBase& mObjSink;
42 : bool mDeclaringVariables;
43 :
44 : // Structs are declared as the tree is traversed. This set contains all
45 : // the structs already declared. It is maintained so that a struct is
46 : // declared only once.
47 : typedef std::set<TString> DeclaredStructs;
48 : DeclaredStructs mDeclaredStructs;
49 :
50 : ForLoopUnroll mLoopUnroll;
51 : };
52 :
53 : #endif // CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
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