1 // 2 // Copyright (c) 2002-2015 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 // PruneNoOps.h: The PruneNoOps function prunes: 7 // 1. Empty declarations "int;". Empty declarators will be pruned as well, so for example: 8 // int , a; 9 // is turned into 10 // int a; 11 // 2. Literal statements: "1.0;". The ESSL output doesn't define a default precision for float, 12 // so float literal statements would end up with no precision which is invalid ESSL. 13 14 #ifndef COMPILER_TRANSLATOR_PRUNENOOPS_H_ 15 #define COMPILER_TRANSLATOR_PRUNENOOPS_H_ 16 17 namespace sh 18 { 19 class TIntermBlock; 20 21 void PruneNoOps(TIntermBlock *root); 22 } 23 24 #endif // COMPILER_TRANSLATOR_PRUNENOOPS_H_ 25