00001 /*======================================================================= 00002 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00003 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00004 *** *** 00005 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00006 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00007 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00008 *** *** 00009 *** RESTRICTED RIGHTS LEGEND *** 00010 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00011 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00012 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00013 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00014 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00015 *** *** 00016 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00017 *** BORDEAUX, FRANCE *** 00018 *** ALL RIGHTS RESERVED *** 00019 **=======================================================================*/ 00020 /*======================================================================= 00021 ** Author : VSG (MMM YYYY) 00022 **=======================================================================*/ 00023 00024 /* include files */ 00025 #ifndef _SO_FRAGMENT_SHADER_H_ 00026 #define _SO_FRAGMENT_SHADER_H_ 00027 00028 #include <Inventor/nodes/SoShaderObject.h> 00029 00030 00116 class SoFragmentShader : public SoShaderObject 00117 { 00118 SO_NODE_HEADER(SoFragmentShader); 00119 00120 public: 00124 SoFragmentShader(); 00125 00133 static SbBool isSupported(SoShaderObject::SourceType sourceType, SoState* state=NULL) ; 00134 00138 static unsigned int getMaxTextureImageUnit() ; 00139 00141 virtual ShaderType getShaderType() const 00142 { return FRAGMENT_SHADER; } 00143 00144 private: 00145 00147 static void initClass(); 00148 00150 static void exitClass(); 00151 00153 static bool isFragmentShadowSupported(SoState* state); 00154 00156 static bool isDrawBuffersSupported(SoState* state); 00157 00158 private: 00160 virtual ~SoFragmentShader(); 00161 00162 private: 00163 static int s_fragment_program_ARB_extensionID; 00164 static int s_fragment_shader_ARB_extensionID; 00165 static int s_fragment_program_shadow_ARB_extensionID; 00166 static int s_draw_buffers_ARB_extensionID; 00167 }; 00168 00169 #endif /* _SO_FRAGMENT_SHADER_ */ 00170 00171 00172