kc3-lang/angle/src/compiler/OutputHLSL.h

• Show log

  Commit

• Hash : b587598c
  Author :
  Date : 2010-04-15T20:44:53
  

  Implemented short-circuiting behavior for the ternary operator
  TRAC #11444
  This is achieved by turning the ternary operator into conditional code.
  The UnfoldSelect intermediate code traverser places this conditional
  code before the statement containing the ternary operator (aka. select).
  The computed value is assigned to a temporary variable.
  On outputting the actual statement the ternary operator is
  replaced by the temporary variable.
  
  Signed-off-by: Andrew Lewycky
  Signed-off-by: Daniel Koch
  
  Author:    Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@148 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

Download

• src/compiler/OutputHLSL.h

• //
  // Copyright (c) 2002-2010 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_OUTPUTHLSL_H_
  #define COMPILER_OUTPUTHLSL_H_
  
  #include "intermediate.h"
  #include "ParseHelper.h"
  
  namespace sh
  {
  class UnfoldSelect;
  
  class OutputHLSL : public TIntermTraverser
  {
    public:
      explicit OutputHLSL(TParseContext &context);
      ~OutputHLSL();
  
      void output();
  
      TInfoSinkBase &getBodyStream();
  
      static TString argumentString(const TIntermSymbol *symbol);
      static TString qualifierString(TQualifier qualifier);
      static TString typeString(const TType &type);
      static TString arrayString(const TType &type);
      static TString initializer(const TType &type);
      static TString decorate(const TString &string);   // Prepend an underscore to avoid naming clashes
  
    protected:
      void header();
      void footer();
  
      // Visit AST nodes and output their code to the body stream
      void visitSymbol(TIntermSymbol*);
      void visitConstantUnion(TIntermConstantUnion*);
      bool visitBinary(Visit visit, TIntermBinary*);
      bool visitUnary(Visit visit, TIntermUnary*);
      bool visitSelection(Visit visit, TIntermSelection*);
      bool visitAggregate(Visit visit, TIntermAggregate*);
      bool visitLoop(Visit visit, TIntermLoop*);
      bool visitBranch(Visit visit, TIntermBranch*);
  
      bool isSingleStatement(TIntermNode *node);
      bool handleExcessiveLoop(TIntermLoop *node);
      void outputTriplet(Visit visit, const char *preString, const char *inString, const char *postString);
  
      TParseContext &mContext;
      UnfoldSelect *mUnfoldSelect;
  
      // Output streams
      TInfoSinkBase mHeader;
      TInfoSinkBase mBody;
      TInfoSinkBase mFooter;
  
      // Parameters determining what goes in the header output
      bool mUsesEqualMat2;
      bool mUsesEqualMat3;
      bool mUsesEqualMat4;
      bool mUsesEqualVec2;
      bool mUsesEqualVec3;
      bool mUsesEqualVec4;
      bool mUsesEqualIVec2;
      bool mUsesEqualIVec3;
      bool mUsesEqualIVec4;
      bool mUsesEqualBVec2;
      bool mUsesEqualBVec3;
      bool mUsesEqualBVec4;
  };
  }
  
  #endif   // COMPILER_OUTPUTHLSL_H_
  

Download