/home/master/UCL/VisualizationLibrary/src/vlGraphics/OpenGL.hpp

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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2011, Michele Bosi                                             */
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#ifndef OpenGL_INCLUDE_ONCE
#define OpenGL_INCLUDE_ONCE

#include <vlGraphics/link_config.hpp>
#include <vlCore/OpenGLDefs.hpp>
#include <vlCore/Log.hpp>

namespace vl
{
  VLGRAPHICS_EXPORT extern bool Is_OpenGL_Initialized;

  VLGRAPHICS_EXPORT extern bool Is_OpenGL_Core_Profile;

  VLGRAPHICS_EXPORT extern bool Is_OpenGL_Forward_Compatible;

  VLGRAPHICS_EXPORT extern bool Has_Fixed_Function_Pipeline;

  VLGRAPHICS_EXPORT extern const GLenum Translate_Enable[];
  VLGRAPHICS_EXPORT extern bool Is_Enable_Supported[];
  VLGRAPHICS_EXPORT extern const char* Translate_Enable_String[];

  VLGRAPHICS_EXPORT extern bool Has_GLES_Version_1_1;
  VLGRAPHICS_EXPORT extern bool Has_GLES_Version_2_0;
  VLGRAPHICS_EXPORT extern bool Has_GLES;

  VLGRAPHICS_EXPORT extern bool Has_GL_Version_1_1;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_1_2;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_1_3;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_1_4;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_1_5;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_2_0;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_2_1;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_3_0;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_3_1;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_3_2;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_3_3;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_4_0;
  VLGRAPHICS_EXPORT extern bool Has_GL_Version_4_1;

  // Helper variables

  VLGRAPHICS_EXPORT extern bool Has_GLSL;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_120_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_130_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_140_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_150_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_330_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_400_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_GLSL_410_Or_More;
  VLGRAPHICS_EXPORT extern bool Has_Geometry_Shader;
  VLGRAPHICS_EXPORT extern bool Has_BufferObject;
  VLGRAPHICS_EXPORT extern bool Has_FBO;
  VLGRAPHICS_EXPORT extern bool Has_PBO;
  VLGRAPHICS_EXPORT extern bool Has_FBO_Multisample;
  VLGRAPHICS_EXPORT extern bool Has_Cubemap_Textures;
  VLGRAPHICS_EXPORT extern bool Has_Texture_Rectangle;
  VLGRAPHICS_EXPORT extern bool Has_Texture_Array;
  VLGRAPHICS_EXPORT extern bool Has_Texture_Buffer;
  VLGRAPHICS_EXPORT extern bool Has_Texture_Multisample;
  VLGRAPHICS_EXPORT extern bool Has_Texture_3D;
  VLGRAPHICS_EXPORT extern bool Has_Multitexture;
  VLGRAPHICS_EXPORT extern bool Has_Primitive_Restart;
  VLGRAPHICS_EXPORT extern bool Has_Occlusion_Query;
  VLGRAPHICS_EXPORT extern bool Has_Transform_Feedback;
  VLGRAPHICS_EXPORT extern bool Has_glGenerateMipmaps;
  VLGRAPHICS_EXPORT extern bool Has_GL_GENERATE_MIPMAP;
  VLGRAPHICS_EXPORT extern bool Has_Point_Sprite;
  VLGRAPHICS_EXPORT extern bool Has_Base_Vertex;
  VLGRAPHICS_EXPORT extern bool Has_Primitive_Instancing;

  #define VL_EXTENSION(extension) VLGRAPHICS_EXPORT extern bool Has_##extension;
  #include <vlGraphics/GL/GLExtensionList.hpp>
  #undef VL_EXTENSION

  #define VL_GLES_EXTENSION(extension) VLGRAPHICS_EXPORT extern bool Has_##extension;
  #include <vlGraphics/GL/GLESExtensionList.hpp>
  #undef VL_GLES_EXTENSION

  #if defined(VL_OPENGL)
    #define VL_GL_FUNCTION(TYPE, NAME) VLGRAPHICS_EXPORT extern TYPE NAME;
    #include <vlGraphics/GL/GLFunctionList.hpp>
    #undef VL_GL_FUNCTION
  #endif

  #if defined(VL_OPENGL_ES1)
    #define VL_GL_FUNCTION(TYPE, NAME) VLGRAPHICS_EXPORT extern TYPE NAME;
    #include <vlGraphics/GL/GLES1FunctionList.hpp>
    #undef VL_GL_FUNCTION
  #endif

  #if defined(VL_OPENGL_ES2)
    #define VL_GL_FUNCTION(TYPE, NAME) VLGRAPHICS_EXPORT extern TYPE NAME;
    #include <vlGraphics/GL/GLES2FunctionList.hpp>
    #undef VL_GL_FUNCTION
  #endif

  VLGRAPHICS_EXPORT bool initializeOpenGL();

  VLGRAPHICS_EXPORT void* getGLProcAddress(const char* name);
  
  VLGRAPHICS_EXPORT const char* getGLErrorString(int err);

  //-----------------------------------------------------------------------------
  // VL_CHECK_OGL
  //-----------------------------------------------------------------------------

  VLGRAPHICS_EXPORT int glcheck( const char* file, int line );

  #if defined( _DEBUG ) || !defined( NDEBUG ) || VL_FORCE_CHECKS == 1
    #define VL_CHECK_OGL( ) { if ( ::vl::glcheck( __FILE__, __LINE__ ) ) { VL_TRAP( ) } }
  #else
    #define VL_CHECK_OGL( );
  #endif

  //------------------------------------------------------------------------------
  
}

//-----------------------------------------------------------------------------
// OpenGL functions wrappers
//-----------------------------------------------------------------------------

#if defined(VL_OPENGL)
  #include <vlGraphics/GL/VL_Functions_GL.hpp>
#endif
  
#if defined(VL_OPENGL_ES1)
  #include <vlGraphics/GL/VL_Functions_GLES1.hpp>
#endif

#if defined(VL_OPENGL_ES2)
  #include <vlGraphics/GL/VL_Functions_GLES2.hpp>
#endif
//-----------------------------------------------------------------------------
#endif