1 #ifndef COIN_SOSHADEROBJECT_H
2 #define COIN_SOSHADEROBJECT_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
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21  * this software without specific prior written permission.
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23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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34 \**************************************************************************/
35 
36 #include <Inventor/nodes/SoNode.h>
37 #include <Inventor/nodes/SoSubNode.h>
38 #include <Inventor/fields/SoSFString.h>
39 #include <Inventor/fields/SoSFEnum.h>
40 #include <Inventor/fields/SoSFBool.h>
41 #include <Inventor/fields/SoMFNode.h>
42 #include <Inventor/C/glue/gl.h>
43 
44 class SoGLShaderObject;
45 class SoGLShaderProgram;
46 class SoState;
47 
48 // *************************************************************************
49 
50 class COIN_DLL_API SoShaderObject : public SoNode {
51   typedef SoNode inherited;
52   SO_NODE_ABSTRACT_HEADER(SoShaderObject);
53 
54 public:
55   enum SourceType {
56     ARB_PROGRAM,
57     CG_PROGRAM,
58     GLSL_PROGRAM,
59     FILENAME
60   };
61 
62   SoSFBool isActive;
63   SoSFEnum sourceType;
64   SoSFString sourceProgram;
65   // FIXME: this field is an SoMFUniformShaderParameter in TGS
66   // Inventor. We should also implement that field. 20050125 mortene.
67   SoMFNode parameter;
68 
69   static void initClass(void);
70 
71   virtual void GLRender(SoGLRenderAction * action);
72   virtual void search(SoSearchAction * action);
73 
74   void updateParameters(SoState * state);
75 
76   SourceType getSourceType(void) const;
77   SbString getSourceProgram(void) const;
78 
79 protected:
80   SoShaderObject(void);
81   virtual ~SoShaderObject();
82   virtual SbBool readInstance(SoInput * in, unsigned short flags);
83 
84 private:
85   class SoShaderObjectP * pimpl;
86 };
87 
88 #endif /* ! COIN_SOSHADEROBJECT_H*/
89