BuiltInFunctionEmulatorGLSL.h (1383B)
1 // 2 // Copyright 2011 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 7 #ifndef COMPILER_TRANSLATOR_BUILTINFUNCTIONEMULATORGLSL_H_ 8 #define COMPILER_TRANSLATOR_BUILTINFUNCTIONEMULATORGLSL_H_ 9 10 #include "GLSLANG/ShaderLang.h" 11 12 namespace sh 13 { 14 class BuiltInFunctionEmulator; 15 16 // 17 // This works around bug in Intel Mac drivers. 18 // 19 void InitBuiltInAbsFunctionEmulatorForGLSLWorkarounds(BuiltInFunctionEmulator *emu, 20 sh::GLenum shaderType); 21 22 // 23 // This works around isnan() bug in Intel Mac drivers 24 // 25 void InitBuiltInIsnanFunctionEmulatorForGLSLWorkarounds(BuiltInFunctionEmulator *emu, 26 int targetGLSLVersion); 27 // 28 // This works around atan(y, x) bug in NVIDIA drivers. 29 // 30 void InitBuiltInAtanFunctionEmulatorForGLSLWorkarounds(BuiltInFunctionEmulator *emu); 31 32 // 33 // This function is emulating built-in functions missing from GLSL 1.30 and higher. 34 // 35 void InitBuiltInFunctionEmulatorForGLSLMissingFunctions(BuiltInFunctionEmulator *emu, 36 sh::GLenum shaderType, 37 int targetGLSLVersion); 38 } // namespace sh 39 40 #endif // COMPILER_TRANSLATOR_BUILTINFUNCTIONEMULATORGLSL_H_