// // Copyright (c) 2016 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. // // This mutating tree traversal works around a bug in the HLSL compiler optimizer with "pow" that // manifests under the following conditions: // // - If pow() has a literal exponent value // - ... and this value is integer or within 10e-6 of an integer // - ... and it is in {-4, -3, -2, 2, 3, 4, 5, 6, 7, 8} // // The workaround is to replace the pow with a series of multiplies. // See http://anglebug.com/851 #ifndef COMPILER_TRANSLATOR_EXPANDINTEGERPOWEXPRESSIONS_H_ #define COMPILER_TRANSLATOR_EXPANDINTEGERPOWEXPRESSIONS_H_ namespace sh { class TIntermNode; class TSymbolTable; void ExpandIntegerPowExpressions(TIntermNode *root, TSymbolTable *symbolTable); } // namespace sh #endif // COMPILER_TRANSLATOR_EXPANDINTEGERPOWEXPRESSIONS_H_