fragmentprog.h
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上传日期:2022-07-26
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- // fragmentprog.h
- //
- // Copyright (C) 2003 Chris Laurel <claurel@shatters.net>
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License
- // as published by the Free Software Foundation; either version 2
- // of the License, or (at your option) any later version.
- #ifndef _CELENGINE_FRAGMENTPROG_H_
- #define _CELENGINE_FRAGMENTPROG_H_
- #include <celmath/vecmath.h>
- #include <celutil/color.h>
- #include <celutil/util.h>
- #include <celengine/gl.h>
- class FragmentProcessor;
- namespace fp
- {
- FragmentProcessor* initNV();
- FragmentProcessor* initARB();
- void enable();
- void disable();
- void use(unsigned int);
- void parameter(unsigned int, const Vec3f&);
- void parameter(unsigned int, const Point3f&);
- void parameter(unsigned int, const Color&);
- void parameter(unsigned int, float, float, float, float);
- enum Parameter {
- SunDirection = 0,
- EyePosition = 1,
- DiffuseColor = 2,
- SpecularColor = 3,
- SpecularExponent = 4,
- AmbientColor = 5,
- HazeColor = 6,
- TextureTranslation = 7,
- TexGen_S = 8,
- TexGen_T = 9,
- ShadowParams0 = 20,
- ShadowParams1 = 21,
- };
- extern unsigned int sphereShadowOnRings;
- extern unsigned int eclipseShadow1;
- extern unsigned int eclipseShadow2;
- extern unsigned int texDiffuse;
- extern unsigned int texDiffuseBump;
- extern unsigned int texSpecular;
- extern unsigned int texSpecularAlpha;
- };
- class FragmentProcessor
- {
- public:
- FragmentProcessor();
- virtual ~FragmentProcessor();
- virtual void enable() = 0;
- virtual void disable() = 0;
- virtual void use(unsigned int) = 0;
- virtual void parameter(fp::Parameter, const Vec3f&);
- virtual void parameter(fp::Parameter, const Point3f&);
- virtual void parameter(fp::Parameter, const Color&);
- virtual void parameter(fp::Parameter, float, float, float, float) = 0;
- virtual void parameter(fp::Parameter, const float*) = 0;
- private:
- int dummy;
- };
- #endif // _CELENGINE_FRAGMENTPROG_H_