typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLbitfield;
typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLbitfield;
#define GL_MODELVIEW 0x1700
#define GL_PROJECTION 0x1701
#define GL_TEXTURE 0x1702
#define GL_MODELVIEW 0x1700
#define GL_PROJECTION 0x1701
#define GL_TEXTURE 0x1702