www.pudn.com > Normals2.rar > glIncludes.h

 
#ifndef _GLINCLUDES 
#define _GLINCLUDES 
 
 
#include  
#include  
#include  
#include "math.h" 
 
 
 
// Macros  
 
#ifndef _PI  
#define	_PI (3.14159265359) 
#endif 
 
 
#define RAD2DEG(a) ((GLdouble)(a) / _PI * 180) 
#define DEG2RAD(a) ((GLdouble)(a) / 180 * _PI) 
 
 
#define sqr(a) ((a) * (a)) 
 
 
#ifdef ASSERT 
 
	#define GL_VERIFY(a)							\ 
		do {										\ 
			a;										\ 
			ASSERT (glGetError() == GL_NO_ERROR);	\ 
		} while (0)									\ 
 
#else 
 
	static char szBuff[60]; 
	#define GL_VERIFY(a)													\ 
		do {																\ 
			a;																\ 
			if (glGetError() != GL_NO_ERROR)								\ 
			{																\ 
				sprintf(szBuff, "File '%s', line %i", THIS_FILE, __LINE__);	\ 
				::MessageBox(NULL, szBuff, "OpenGL error", MB_OK);			\ 
				::PostQuitMessage(-1);										\ 
			}																\ 
		} while (0)															\ 
 
#endif 
 
 
 
 
// Structure and types 
 
struct GLpoint { 
	GLfloat x, y, z; 
}; 
 
 
struct GLFace { 
	unsigned short v1, v2, v3; 
}; 
 
 
 
#endif // #ifndef _GLINCLUDES