MeVisLab/Standard/Sources/Inventor/SoShader/Inventor/misc/SoUniformParameterBase.h

Go to the documentation of this file.

// **InsertLicense** code



#ifndef _SO_UNIFORM_PARAMETER_BASE_
#define _SO_UNIFORM_PARAMETER_BASE_

#include "SoShaderSystem.h"
#include <Inventor/SbString.h>

#ifdef WIN32
#  pragma warning( push )
#  pragma warning( disable : 4100 )
#endif

SoEXTENDER class INVENTOR_SHADER_API SoUniformParameterBase
{
  protected:

    SoUniformParameterBase();

    virtual ~SoUniformParameterBase();

  public:

    virtual int addTextureSampler(const SbString &name) { return 0; }
    
    // These functions are used to assign values to uniform parameter via OpenGL
    virtual void set1f(const SbString & /*name*/, const float   /*value*/) {}
    virtual void set2f(const SbString & /*name*/, const float * /*value*/) {}
    virtual void set3f(const SbString & /*name*/, const float * /*value*/) {}
    virtual void set4f(const SbString & /*name*/, const float * /*value*/) {}
    virtual void set2f(const SbString & /*name*/, const float /*value0*/, const float /*value1*/) {}
    virtual void set3f(const SbString & /*name*/, const float /*value0*/, const float /*value1*/, const float /*value2*/) {}
    virtual void set4f(const SbString & /*name*/, const float /*value0*/, const float /*value1*/, const float /*value2*/, const float /*value3*/) {}

    virtual void set1fv(const SbString & /*name*/, const int /*num*/, const float * /*value*/) {}
    virtual void set2fv(const SbString & /*name*/, const int /*num*/, const float * /*value*/) {}
    virtual void set3fv(const SbString & /*name*/, const int /*num*/, const float * /*value*/) {}
    virtual void set4fv(const SbString & /*name*/, const int /*num*/, const float * /*value*/) {}

    virtual void set1i(const SbString & /*name*/, const int32_t   /*value*/) {}
    virtual void set2i(const SbString & /*name*/, const int32_t * /*value*/) {}
    virtual void set2i(const SbString & /*name*/, const SbVec2s & /*value*/) {}
    virtual void set3i(const SbString & /*name*/, const int32_t * /*value*/) {}
    virtual void set3i(const SbString & /*name*/, const SbVec3s & /*value*/) {}
    virtual void set4i(const SbString & /*name*/, const int32_t * /*value*/) {}

    virtual void setMatrix3f(const SbString & /*name*/, const float * /*value*/, SbBool /*transpose*/ = FALSE) {}
    virtual void setMatrix4f(const SbString & /*name*/, const float * /*value*/, SbBool /*transpose*/ = FALSE) {}

  public:

    enum SamplerType {
      SAMPLER_1D,
      SAMPLER_2D,
      SAMPLER_3D,
      SAMPLER_CUBEMAP
    };

    // Provide additional information about the purpose of a uniform parameter. Those information
    // may be collected and analyzed by derived classes.
    virtual void setSamplerInfo(const SbString & /*name*/, SamplerType /*type*/, uint32_t /*texId*/) {}
};

#ifdef WIN32
#  pragma warning( pop )
#endif

#endif // _SO_UNIFORM_PARAMETER_BASE_