glsl_solid.H

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/**********************************************************************
 * glsl_toon.H:
 **********************************************************************/
#ifndef GLSL_SOLID_H_IS_INCLUDED
#define GLSL_SOLID_H_IS_INCLUDED

#include "glsl_paper.H"

/**********************************************************************
 * GLSLSolidShader:
 *
 *  GLSL version of a solid shader.
 *
 **********************************************************************/
class GLSLSolidShader : public GLSLPaperShader {
 public:
   //******** MANAGERS ********
   GLSLSolidShader(Patch* patch = 0);

   //******** RUN-TIME TYPE ID ********
   DEFINE_RTTI_METHODS3("GLSL Solid",
                        GLSLSolidShader*, BasicTexture, CDATA_ITEM*);

   //******** GLSLShader VIRTUAL METHODS ********

   // using a static variable for program, so all toon shader
   // instances share the same program:
   virtual GLuint& program() { return _program; }
   virtual bool&  did_init() { return _did_init; }

   //******** DATA_ITEM VIRTUAL METHODS ********
   virtual DATA_ITEM  *dup() const { return new GLSLSolidShader; }

 protected:
  
   static GLuint _program;  // GLSL program shared by all instances
   static bool   _did_init; // tells whether initialization attempt was made

   //******** VIRTUAL METHODS ********
   // Return the names of the toon GLSL shader programs:
   virtual str_ptr vp_filename() { return vp_name("paper"); }

   // XXX - temporary, until we can figure out how to not use the
   //       fragment shader:
   virtual str_ptr fp_filename() { return fp_name("solid"); }
 
};

#endif // GLSL_SOLID_H_IS_INCLUDED

// end of file glsl_solid.H

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