STAPsGLFns.hpp

Go to the documentation of this file.

/******************************************************************************
STAPsGLFns.hpp

Global OpenGL Functions in TAPs::OpenGL::Fn namespace

SUKITTI PUNAK   (09/10/2010)
UPDATE          (09/10/2010)
******************************************************************************/
#ifndef STAPs_GL_FNS_HPP
#define STAPs_GL_FNS_HPP

#include "TAPsOpenGLEnumList.hpp"
#include "../Core/TAPsLib.hpp"

#ifdef TAPs_USE_WXWIDGETS
    #include "wx/wx.h"
#endif

BEGIN_NAMESPACE_TAPs__OpenGL__Fn
//=============================================================================
// START:  OPENGL DEBUG/ERROR
//-----------------------------------------------------------------------------
// Check OpenGL Error
void GFnCheckGLError ( char * file, int line, int * glErrCode = NULL );
#define CHECK_GL_ERROR() GFnCheckGLError( __FILE__, __LINE__ )
//-----------------------------------------------------------------------------
// Check OpenGL Error with Custom Message
//#ifdef TAPs_DEBUG_MODE
    void GFnCheckGLError ( char * customMessage, int * glErrCode = NULL );
//#else
//  void GFnCheckGLError ( char * customMessage, int * glErrCode = NULL );
//#endif
#define CHECK_GL_ERROR_MESSAGE( s ) GFnCheckGLError( s )
//-----------------------------------------------------------------------------
// Check OpenGL Frame Buffer Status
#ifdef TAPs_DEBUG_MODE
//#ifdef TAPs_USE_GLSL
    void GFnCheckFrameBufferStatus ();
//#else
//  void GFnCheckFrameBufferStatus ();
//#endif
#else
    void GFnCheckFrameBufferStatus ();
#endif
#define CHECK_FRAMEBUFFER_STATUS()  GFnCheckFrameBufferStatus()
//-----------------------------------------------------------------------------
// END:  OPENGL DEBUG/ERROR
//=============================================================================


//=============================================================================
// START:  OPENGL DRAWING
//-----------------------------------------------------------------------------
// Set Polygon Face Oriantation with CCW
inline void SetFrontFaceCCW( bool = true );
//-----------------------------------------------------------------------------
// Set Polygon Face Oriantation with CW
inline void SetFrontFaceCW( bool = true );
//-----------------------------------------------------------------------------
// Toggle Polygon Face Oriantation: CCW <--> CW
inline void ToggleFrontFaceOriantation();
//-----------------------------------------------------------------------------
// Enable OpenGL Cull Face
inline void EnableCullFace();
//-----------------------------------------------------------------------------
// Disable OpenGL Cull Face
inline void DisableCullFace();
//-----------------------------------------------------------------------------
// Toggle OpenGL Cull Face
inline void ToggleCullFace();
//-----------------------------------------------------------------------------
// Set Drawing Mode
// face (GLenum) can be 
//   GL_FRONT_AND_BACK = 1032
//   GL_FRONT          = 1028
//   GL_BACK           = 1029
// mode (GLenum) can be
//   GL_POINT = 6912
//   GL_LINE  = 6913
//   GL_FILL  = 6914
inline void SetDrawingMode( GLenum face, GLenum mode );
//-----------------------------------------------------------------------------
// Switch Drawing Mode
// the drawing mode is switched circularly from
//     GL_POINT, GL_LINE, and GL_FILL
void SwitchDrawingMode();
//-----------------------------------------------------------------------------
// Switch Draw Face Mode
// the draw face mode is switched circularly from
//     GL_FRONT, GL_BACK, and GL_FRONT_AND_BACK
void SwitchDrawFaceMode();
//-----------------------------------------------------------------------------
// Switch Cull Face Mode
// the cull face mode is switched circularly from 
//     GL_BACK, GL_FRONT, and GL_FRONT_AND_BACK
void SwitchCullFaceMode();
//-----------------------------------------------------------------------------
// END:  OPENGL DRAWING
//=============================================================================


//=============================================================================
// START:  SHADOW FUNCTIONS
//-----------------------------------------------------------------------------
// Create a shadow projection matrix out of the plane equation
// lightPos ==> { xPos, yPos, zPos, 1 }
// planeEqn ==> a*x + b*y + c*z + d = 0
template <typename T>
Matrix4x4<T> CalShadowProjectionMatrix ( Vector4<T> const &lightPos, Vector4<T> const &planeEqn );
//-----------------------------------------------------------------------------
// END:  SHADOW FUNCTIONS
//=============================================================================

//=============================================================================
END_NAMESPACE_TAPs__OpenGL__Fn
//-----------------------------------------------------------------------------
// Include definition if TAPs_USE_EXPORT is not defined
#if !defined( TAPs_USE_EXPORT )
    #include "STAPsGLFns.cpp"
#endif
//-----------------------------------------------------------------------------
#endif
//345678901234567890123456789012345678901234567890123456789012345678901234567890
//--+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8