openglext.h

小型的3D游戏引擎

#ifndef _OPENGLEXT_H_
#define _OPENGLEXT_H_

#include <windows.h>
#include <gl/gl.h>
#include <gl/glext.h>

/* OpenGL extensions */

#define GL_CLAMP_TO_EDGE 0x812F	

// Multitexturing
extern PFNGLMULTITEXCOORD2FARBPROC		glMultiTexCoord2fARB;
extern PFNGLACTIVETEXTUREARBPROC		glActiveTextureARB;
extern PFNGLCLIENTACTIVETEXTUREARBPROC	glClientActiveTextureARB;

// Volumetric fog
extern PFNGLFOGCOORDPOINTEREXTPROC		glFogCoordPointerEXT;
extern PFNGLFOGCOORDFEXTPROC			glFogCoordfEXT;

// Vertex Array Range (nvidia spesific)
extern PFNGLFLUSHVERTEXARRAYRANGENVPROC glFlushVertexArrayRangeNV;
extern PFNGLVERTEXARRAYRANGENVPROC		glVertexArrayRangeNV;

typedef void *(APIENTRY *PFNWGLALLOCATEMEMORYNVPROC)(GLsizei size, GLfloat readFrequency, 
													 GLfloat writeFrequency, GLfloat priority);

typedef void (APIENTRY *PFNWGLFREEMEMORYNVPROC)(void *pointer);

extern PFNWGLALLOCATEMEMORYNVPROC wglAllocateMemoryNV;
extern PFNWGLFREEMEMORYNVPROC wglFreeMemoryNV;

#endif