// // Copyright (c) 2002-2015 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. // // During parsing, all constant expressions are folded to constant union nodes. The expressions that // have been folded may have had precision qualifiers, which should affect the precision of the // consuming operation. If the folded constant union nodes are written to output as such they won't // have any precision qualifiers, and their effect on the precision of the consuming operation is // lost. // // RecordConstantPrecision is an AST traverser that inspects the precision qualifiers of constants // and hoists the constants outside the containing expression as precision qualified named variables // in case that is required for correct precision propagation. // #ifndef COMPILER_TRANSLATOR_RECORDCONSTANTPRECISION_H_ #define COMPILER_TRANSLATOR_RECORDCONSTANTPRECISION_H_ namespace sh { class TIntermNode; class TSymbolTable; void RecordConstantPrecision(TIntermNode *root, TSymbolTable *symbolTable); } // namespace sh #endif // COMPILER_TRANSLATOR_RECORDCONSTANTPRECISION_H_