The Tor Browser: gfx/angle/src/compiler/OutputGLSLBase.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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 //

     7 #ifndef CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_

     8 #define CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_

    10 #include <set>

    12 #include "compiler/ForLoopUnroll.h"

    13 #include "compiler/intermediate.h"

    14 #include "compiler/ParseHelper.h"

    16 class TOutputGLSLBase : public TIntermTraverser

    17 {

    18 public:

    19     TOutputGLSLBase(TInfoSinkBase& objSink,

    20                     ShArrayIndexClampingStrategy clampingStrategy,

    21                     ShHashFunction64 hashFunction,

    22                     NameMap& nameMap,

    23                     TSymbolTable& symbolTable);

    25 protected:

    26     TInfoSinkBase& objSink() { return mObjSink; }

    27     void writeTriplet(Visit visit, const char* preStr, const char* inStr, const char* postStr);

    28     void writeVariableType(const TType& type);

    29     virtual bool writeVariablePrecision(TPrecision precision) = 0;

    30     void writeFunctionParameters(const TIntermSequence& args);

    31     const ConstantUnion* writeConstantUnion(const TType& type, const ConstantUnion* pConstUnion);

    32     TString getTypeName(const TType& type);

    34     virtual void visitSymbol(TIntermSymbol* node);

    35     virtual void visitConstantUnion(TIntermConstantUnion* node);

    36     virtual bool visitBinary(Visit visit, TIntermBinary* node);

    37     virtual bool visitUnary(Visit visit, TIntermUnary* node);

    38     virtual bool visitSelection(Visit visit, TIntermSelection* node);

    39     virtual bool visitAggregate(Visit visit, TIntermAggregate* node);

    40     virtual bool visitLoop(Visit visit, TIntermLoop* node);

    41     virtual bool visitBranch(Visit visit, TIntermBranch* node);

    43     void visitCodeBlock(TIntermNode* node);

    46     // Return the original name if hash function pointer is NULL;

    47     // otherwise return the hashed name.

    48     TString hashName(const TString& name);

    49     // Same as hashName(), but without hashing built-in variables.

    50     TString hashVariableName(const TString& name);

    51     // Same as hashName(), but without hashing built-in functions.

    52     TString hashFunctionName(const TString& mangled_name);

    54 private:

    55     bool structDeclared(const TStructure* structure) const;

    56     void declareStruct(const TStructure* structure);

    58     TInfoSinkBase& mObjSink;

    59     bool mDeclaringVariables;

    61     // Structs are declared as the tree is traversed. This set contains all

    62     // the structs already declared. It is maintained so that a struct is

    63     // declared only once.

    64     typedef std::set<TString> DeclaredStructs;

    65     DeclaredStructs mDeclaredStructs;

    67     ForLoopUnroll mLoopUnroll;

    69     ShArrayIndexClampingStrategy mClampingStrategy;

    71     // name hashing.

    72     ShHashFunction64 mHashFunction;

    74     NameMap& mNameMap;

    76     TSymbolTable& mSymbolTable;

    77 };

    79 #endif  // CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_

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