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 // RemovePow is an AST traverser to convert pow(x, y) built-in calls where y is a 7 // constant to exp2(y * log2(x)). This works around an issue in NVIDIA 311 series 8 // OpenGL drivers. 9 // 10 11 #ifndef COMPILER_TRANSLATOR_REMOVEPOW_H_ 12 #define COMPILER_TRANSLATOR_REMOVEPOW_H_ 13 14 namespace sh 15 { 16 class TIntermNode; 17 18 void RemovePow(TIntermNode *root); 19 } // namespace sh 20 21 #endif // COMPILER_TRANSLATOR_REMOVEPOW_H_ 22