glprocs.h

使用stl技术,(还没看,是听说的)

#ifndef _GLPROCS_H_
#define _GLPROCS_H_

/*
** GLprocs utility for getting function addresses for OpenGL(R) 1.2, 
** OpenGL 1.3 and OpenGL extension functions.
**
** Version:  1.0
**
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
** 
** http://oss.sgi.com/projects/FreeB
** 
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
** 
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
** 
** Additional Notice Provisions: This software was created using the
** OpenGL(R) version 1.2.1 Sample Implementation published by SGI, but has
** not been independently verified as being compliant with the OpenGL(R)
** version 1.2.1 Specification.
**
** Initial version of glprocs.{c,h} contributed by Intel(R) Corporation.
*/

#ifdef _WIN32
  #include <GL/glext.h>
  #include <GL/wglext.h>
#else
  #include <GL/glext.h>
#endif

#ifndef _WIN32 /* non-Windows environment */
  #define APIENTRY
  #ifdef __GNUC__
    #define _inline __inline__
  #else
    #define _inline
  #endif
#else
  #ifdef __GNUC__
    #define _inline __inline__
  #endif
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Structure of all OpenGL {1.2, 1.3}, GL extension procs.*/

typedef struct {
  void (APIENTRY *BlendColor) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
  void (APIENTRY *BlendEquation) (GLenum mode);
  void (APIENTRY *DrawRangeElements) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
  void (APIENTRY *ColorTable) (GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
  void (APIENTRY *ColorTableParameterfv) (GLenum target, GLenum pname, const GLfloat *params);
  void (APIENTRY *ColorTableParameteriv) (GLenum target, GLenum pname, const GLint *params);
  void (APIENTRY *CopyColorTable) (GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
  void (APIENTRY *GetColorTable) (GLenum target, GLenum format, GLenum type, GLvoid *table);
  void (APIENTRY *GetColorTableParameterfv) (GLenum target, GLenum pname, GLfloat *params);
  void (APIENTRY *GetColorTableParameteriv) (GLenum target, GLenum pname, GLint *params);
  void (APIENTRY *ColorSubTable) (GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *data);
  void (APIENTRY *CopyColorSubTable) (GLenum target, GLsizei start, GLint x, GLint y, GLsizei width);
  void (APIENTRY *ConvolutionFilter1D) (GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *image);
  void (APIENTRY *ConvolutionFilter2D) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *image);
  void (APIENTRY *ConvolutionParameterf) (GLenum target, GLenum pname, GLfloat params);
  void (APIENTRY *ConvolutionParameterfv) (GLenum target, GLenum pname, const GLfloat *params);
  void (APIENTRY *ConvolutionParameteri) (GLenum target, GLenum pname, GLint params);
  void (APIENTRY *ConvolutionParameteriv) (GLenum target, GLenum pname, const GLint *params);
  void (APIENTRY *CopyConvolutionFilter1D) (GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
  void (APIENTRY *CopyConvolutionFilter2D) (GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height);
  void (APIENTRY *GetConvolutionFilter) (GLenum target, GLenum format, GLenum type, GLvoid *image);
  void (APIENTRY *GetConvolutionParameterfv) (GLenum target, GLenum pname, GLfloat *params);
  void (APIENTRY *GetConvolutionParameteriv) (GLenum target, GLenum pname, GLint *params);
  void (APIENTRY *GetSeparableFilter) (GLenum target, GLenum format, GLenum type, GLvoid *row, GLvoid *column, GLvoid *span);
  void (APIENTRY *SeparableFilter2D) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column);
  void (APIENTRY *GetHistogram) (GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values);
  void (APIENTRY *GetHistogramParameterfv) (GLenum target, GLenum pname, GLfloat *params);
  void (APIENTRY *GetHistogramParameteriv) (GLenum target, GLenum pname, GLint *params);
  void (APIENTRY *GetMinmax) (GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values);
  void (APIENTRY *GetMinmaxParameterfv) (GLenum target, GLenum pname, GLfloat *params);
  void (APIENTRY *GetMinmaxParameteriv) (GLenum target, GLenum pname, GLint *params);
  void (APIENTRY *Histogram) (GLenum target, GLsizei width, GLenum internalformat, GLboolean sink);
  void (APIENTRY *Minmax) (GLenum target, GLenum internalformat, GLboolean sink);
  void (APIENTRY *ResetHistogram) (GLenum target);
  void (APIENTRY *ResetMinmax) (GLenum target);
  void (APIENTRY *TexImage3D) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
  void (APIENTRY *TexSubImage3D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
  void (APIENTRY *CopyTexSubImage3D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
  void (APIENTRY *ActiveTextureARB) (GLenum texture);
  void (APIENTRY *ClientActiveTextureARB) (GLenum texture);
  void (APIENTRY *MultiTexCoord1dARB) (GLenum target, GLdouble s);
  void (APIENTRY *MultiTexCoord1dvARB) (GLenum target, const GLdouble *v);
  void (APIENTRY *MultiTexCoord1fARB) (GLenum target, GLfloat s);
  void (APIENTRY *MultiTexCoord1fvARB) (GLenum target, const GLfloat *v);
  void (APIENTRY *MultiTexCoord1iARB) (GLenum target, GLint s);
  void (APIENTRY *MultiTexCoord1ivARB) (GLenum target, const GLint *v);
  void (APIENTRY *MultiTexCoord1sARB) (GLenum target, GLshort s);
  void (APIENTRY *MultiTexCoord1svARB) (GLenum target, const GLshort *v);
  void (APIENTRY *MultiTexCoord2dARB) (GLenum target, GLdouble s, GLdouble t);
  void (APIENTRY *MultiTexCoord2dvARB) (GLenum target, const GLdouble *v);
  void (APIENTRY *MultiTexCoord2fARB) (GLenum target, GLfloat s, GLfloat t);
  void (APIENTRY *MultiTexCoord2fvARB) (GLenum target, const GLfloat *v);
  void (APIENTRY *MultiTexCoord2iARB) (GLenum target, GLint s, GLint t);
  void (APIENTRY *MultiTexCoord2ivARB) (GLenum target, const GLint *v);
  void (APIENTRY *MultiTexCoord2sARB) (GLenum target, GLshort s, GLshort t);
  void (APIENTRY *MultiTexCoord2svARB) (GLenum target, const GLshort *v);
  void (APIENTRY *MultiTexCoord3dARB) (GLenum target, GLdouble s, GLdouble t, GLdouble r);
  void (APIENTRY *MultiTexCoord3dvARB) (GLenum target, const GLdouble *v);
  void (APIENTRY *MultiTexCoord3fARB) (GLenum target, GLfloat s, GLfloat t, GLfloat r);
  void (APIENTRY *MultiTexCoord3fvARB) (GLenum target, const GLfloat *v);
  void (APIENTRY *MultiTexCoord3iARB) (GLenum target, GLint s, GLint t, GLint r);
  void (APIENTRY *MultiTexCoord3ivARB) (GLenum target, const GLint *v);
  void (APIENTRY *MultiTexCoord3sARB) (GLenum target, GLshort s, GLshort t, GLshort r);
  void (APIENTRY *MultiTexCoord3svARB) (GLenum target, const GLshort *v);
  void (APIENTRY *MultiTexCoord4dARB) (GLenum target, GLdouble s, GLdouble t, GLdouble r, GLdouble q);
  void (APIENTRY *MultiTexCoord4dvARB) (GLenum target, const GLdouble *v);
  void (APIENTRY *MultiTexCoord4fARB) (GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);
  void (APIENTRY *MultiTexCoord4fvARB) (GLenum target, const GLfloat *v);
  void (APIENTRY *MultiTexCoord4iARB) (GLenum target, GLint s, GLint t, GLint r, GLint q);
  void (APIENTRY *MultiTexCoord4ivARB) (GLenum target, const GLint *v);
  void (APIENTRY *MultiTexCoord4sARB) (GLenum target, GLshort s, GLshort t, GLshort r, GLshort q);
  void (APIENTRY *MultiTexCoord4svARB) (GLenum target, const GLshort *v);
  void (APIENTRY *LoadTransposeMatrixfARB) (const GLfloat *m);
  void (APIENTRY *LoadTransposeMatrixdARB) (const GLdouble *m);
  void (APIENTRY *MultTransposeMatrixfARB) (const GLfloat *m);
  void (APIENTRY *MultTransposeMatrixdARB) (const GLdouble *m);
  void (APIENTRY *SampleCoverageARB) (GLclampf value, GLboolean invert);
  void (APIENTRY *CompressedTexImage3DARB) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data);
  void (APIENTRY *CompressedTexImage2DARB) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
  void (APIENTRY *CompressedTexImage1DARB) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const GLvoid *data);
  void (APIENTRY *CompressedTexSubImage3DARB) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data);
  void (APIENTRY *CompressedTexSubImage2DARB) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
  void (APIENTRY *CompressedTexSubImage1DARB) (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid *data);
  void (APIENTRY *GetCompressedTexImageARB) (GLenum target, GLint level);
  void (APIENTRY *WeightbvARB) (GLint size, const GLbyte *weights);
  void (APIENTRY *WeightsvARB) (GLint size, const GLshort *weights);
  void (APIENTRY *WeightivARB) (GLint size, const GLint *weights);
  void (APIENTRY *WeightfvARB) (GLint size, const GLfloat *weights);
  void (APIENTRY *WeightdvARB) (GLint size, const GLdouble *weights);
  void (APIENTRY *WeightubvARB) (GLint size, const GLubyte *weights);
  void (APIENTRY *WeightusvARB) (GLint size, const GLushort *weights);