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SoShaderObject.h
1 #ifndef COIN_SOSHADEROBJECT_H
2 #define COIN_SOSHADEROBJECT_H
3
4 /**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25 \**************************************************************************/
26
27 #include <Inventor/nodes/SoNode.h>
28 #include <Inventor/nodes/SoSubNode.h>
29 #include <Inventor/fields/SoSFString.h>
30 #include <Inventor/fields/SoSFEnum.h>
31 #include <Inventor/fields/SoSFBool.h>
32 #include <Inventor/fields/SoMFNode.h>
33 #include <Inventor/C/glue/gl.h>
34
35 class SoGLShaderObject;
36 class SoGLShaderProgram;
37 class SoState;
38
39 // *************************************************************************
40
41 class COIN_DLL_API SoShaderObject : public SoNode {
42 typedef SoNode inherited;
43 SO_NODE_ABSTRACT_HEADER(SoShaderObject);
44
45 public:
46 enum SourceType {
47 ARB_PROGRAM,
48 CG_PROGRAM,
49 GLSL_PROGRAM,
50 FILENAME
51 };
52
53 SoSFBool isActive;
54 SoSFEnum sourceType;
55 SoSFString sourceProgram;
56 // FIXME: this field is an SoMFUniformShaderParameter in TGS
57 // Inventor. We should also implement that field. 20050125 mortene.
58 SoMFNode parameter;
59
60 static void initClass(void);
61
62 virtual void GLRender(SoGLRenderAction * action);
63 virtual void search(SoSearchAction * action);
64
65 void updateParameters(SoState * state);
66
67 SourceType getSourceType(void) const;
68 SbString getSourceProgram(void) const;
69
70 protected:
71 SoShaderObject(void);
72 virtual ~SoShaderObject();
73 virtual SbBool readInstance(SoInput * in, unsigned short flags);
74
75 private:
76 class SoShaderObjectP * pimpl;
77 };
78
79 #endif /* ! COIN_SOSHADEROBJECT_H*/

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