src/third_party/angle/src/compiler/translator/RewriteElseBlocks.h

   1 //
   2 // Copyright (c) 2014 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 // RewriteElseBlocks.h: Prototype for tree transform to change
   7 //   all if-else blocks to if-if blocks.
   8 //
   9
  10 #ifndef COMPILER_REWRITE_ELSE_BLOCKS_H_
  11 #define COMPILER_REWRITE_ELSE_BLOCKS_H_
  12
  13 #include "compiler/translator/intermediate.h"
  14
  15 namespace sh
  16 {
  17
  18 class ElseBlockRewriter : public TIntermTraverser
  19 {
  20   public:
  21       ElseBlockRewriter()
  22           : TIntermTraverser(false, false, true, false)
  23           , mTemporaryIndex(0)
  24       {}
  25
  26   protected:
  27     bool visitAggregate(Visit visit, TIntermAggregate *aggregate);
  28
  29   private:
  30     int mTemporaryIndex;
  31
  32     TIntermNode *rewriteSelection(TIntermSelection *selection);
  33 };
  34
  35 void RewriteElseBlocks(TIntermNode *node);
  36
  37 }
  38
  39 #endif // COMPILER_REWRITE_ELSE_BLOCKS_H_