1 #ifndef COIN_SOGLSHADEROBJECT_H 2 #define COIN_SOGLSHADEROBJECT_H 3 4 /**************************************************************************\ 5 * Copyright (c) Kongsberg Oil & Gas Technologies AS 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 \**************************************************************************/ 35 36 #ifndef COIN_INTERNAL 37 #error this is a private header file 38 #endif 39 40 // ************************************************************************* 41 42 #include <Inventor/C/glue/gl.h> 43 #include <Inventor/SbString.h> 44 #include "SoShader.h" 45 46 class SoGLShaderParameter; 47 class SoShaderParameter; 48 class SoState; 49 50 // ************************************************************************* 51 52 class SoGLShaderObject 53 { 54 public: 55 SoGLShaderObject(const uint32_t cachecontext); ~SoGLShaderObject()56 virtual ~SoGLShaderObject() { } 57 58 const cc_glglue * GLContext(void) const; 59 uint32_t getCacheContext(void) const; 60 61 virtual SbBool isLoaded(void) const = 0; 62 virtual void load(const char * sourceString) = 0; 63 virtual void unload(void) = 0; 64 virtual SoShader::Type shaderType(void) const = 0; 65 virtual SoGLShaderParameter* getNewParameter(void) const = 0; 66 virtual void updateCoinParameter(SoState * state, const SbName & name, 67 SoShaderParameter * param, const int val); 68 69 uint32_t getShaderObjectId(void) const; 70 71 public: 72 73 enum ShaderType { 74 VERTEX, 75 FRAGMENT, 76 GEOMETRY 77 }; 78 79 void setShaderType(const ShaderType type); 80 ShaderType getShaderType(void) const; 81 82 void setIsActive(SbBool flag); 83 SbBool isActive(void) const; 84 85 void setParametersDirty(SbBool flag); 86 SbBool getParametersDirty(void) const; 87 88 #if defined(SOURCE_HINT) 89 SbString sourceHint; // either the file name or the first line of source code 90 #endif 91 92 protected: 93 const cc_glglue * glctx; 94 uint32_t cachecontext; 95 96 private: 97 ShaderType shadertype; 98 SbBool isActiveFlag ; 99 SbBool paramsdirty; 100 uint32_t id; 101 }; 102 103 #endif /* ! COIN_SOGLSHADEROBJECT_H */ 104