vtkUniformVariables.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkUniformVariables.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkUniformVariables_h
#define vtkUniformVariables_h
 
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkObject.h"
 
class vtkUniformVariablesMap; // internal
 
class VTKRENDERINGOPENGL_EXPORT vtkUniformVariables : public vtkObject
{
public:
  static vtkUniformVariables *New();
  vtkTypeMacro(vtkUniformVariables,vtkObject);
  void PrintSelf(ostream &os, vtkIndent indent);
 
 
  void SetUniformi(const char *name,
                   int numberOfComponents,
                   int *value);
 
  //BTX
  template<typename T>
  void SetUniformit(const char *name,
                   int numberOfComponents,
                   T *value);
 
  template<typename T>
  void SetUniformit(const char *name, T value)
  { this->SetUniformit(name, 1, &value); }
  //ETX
 
 
  void SetUniformf(const char *name,
                   int numberOfComponents,
                   float *value);
 
  //BTX
  template<typename T>
  void SetUniformft(const char *name,
                   int numberOfComponents,
                   T *value);
 
  template<typename T>
  void SetUniformft(const char *name, T value)
  { this->SetUniformft(name, 1, &value); }
  //ETX
 
 
  void SetUniformiv(const char *name,
                    int numberOfComponents,
                    int numberOfElements,
                    int *value);
 
 
  void SetUniformfv(const char *name,
                    int numberOfComponents,
                    int numberOfElements,
                    float *value);
 
 
  void SetUniformMatrix(const char *name,
                        int rows,
                        int columns,
                        float *value);
 
  void RemoveUniform(const char *name);
 
  void RemoveAllUniforms();
 
 
  void Send(const char *name,
            int uniformIndex);
 
  void Start();
 
  bool IsAtEnd();
 
  const char *GetCurrentName();
 
  void SendCurrentUniform(int uniformIndex);
 
  void Next();
 
  void DeepCopy(vtkUniformVariables *other);
 
  void Merge(vtkUniformVariables *other);
 
protected:
  vtkUniformVariables();
  virtual ~vtkUniformVariables();
 
private:
  vtkUniformVariables(const vtkUniformVariables&);  // Not implemented.
  void operator=(const vtkUniformVariables&);  // Not implemented.
 
  vtkUniformVariablesMap *Map;
};
 
//BTX
// ----------------------------------------------------------------------------
template<typename T>
void vtkUniformVariables::SetUniformit(const char *name,
                   int numberOfComponents,
                   T *value)
{
  int ivalues[4];
  for (int i=0; i<numberOfComponents; ++i)
    {
    ivalues[i] = static_cast<int>(value[i]);
    }
  this->SetUniformi(name, numberOfComponents, ivalues);
}
 
// ----------------------------------------------------------------------------
template<typename T>
void vtkUniformVariables::SetUniformft(const char *name,
                   int numberOfComponents,
                   T *value)
{
  float fvalues[4];
  for (int i=0; i<numberOfComponents; ++i)
    {
    fvalues[i] = static_cast<float>(value[i]);
    }
  this->SetUniformf(name, numberOfComponents, fvalues);
}
//ETX
 
#endif