MeVis/Foundation/Sources/MLOpenGL/mlOpenGL.h

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// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#ifndef __mlOpenGL_H
#define __mlOpenGL_H

#include "mlOpenGLSystem.h"

#ifdef _MSC_VER
#pragma warning( push )
// suppress warning that is irrelevant for private static members:
#pragma warning(disable : 4251 )  // class 'std::string' needs to have dll-interface to be used by clients of class 'ml::OpenGL'
#endif

// include the glew header, which allows to access the whole OpenGL and extensions API
// without using native windows or unix headers
#include "mlSystemWarningsDisable.h"
#include <GL/glew.h>
#include <stdio.h>
#include <string>
#include "mlSystemWarningsRestore.h"

ML_OPENGL_START_NAMESPACE


class MLOPENGL_EXPORT OpenGL
{
public:
  static bool init();

  static const std::string& getVendorString();

  static const std::string& getRendererString();

  static const std::string& getVersionString();

  static bool supportsRenderTo3DTexture();

  static bool supportsPBO();

  static bool supportsFastTexture3D();

  static GLint getMaxTextureSize();

  static GLint getMaxTextureSize3D();

  static GLint getMaxTextureImageUnits();

  static GLint getMaxVertexAttributes();

  static GLint getMaxVaryingFloats();

  static GLint getMaxPixelMapTableSize();

  static GLint getMaxTextureColorTableSize();

  static GLint getMaxPalettedTextureTableSize();

  static bool  isSupported(const char* extension);

  static void  clearTextureUnitsAndShaders();

private:
  static GLint _maxPixelMapTableSize;
  static GLint _maxGLTextureSize;
  static GLint _maxGLTextureSize3D;
  static GLint _maxTextureImageUnits;
  static GLint _maxVertexAttributes;
  static GLint _maxVaryingFloats;
  static bool  _supportsRenderTo3DTexture;

  static void  queryCapabilities();

  static std::string getGLString(int name);

  static std::string _vendor;
  static std::string _renderer;
  static std::string _version;

};

ML_OPENGL_END_NAMESPACE

#ifdef _MSC_VER
#pragma warning( pop )
#endif


#endif