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#ifndef OGLFUNC_H
#define OGLFUNC_H
#if defined(_MSC_VER)
#include <windows.h>
#endif
#include "SDL_opengl.h"
//#include <GL/gl.h>
//#include <GL/glext.h>
typedef void (APIENTRY *PFNGLALPHAFUNCPROC)(GLenum, GLclampf);
typedef void (APIENTRY *PFNGLARRAYELEMENTPROC)(GLint);
typedef void (APIENTRY *PFNGLBEGINPROC)(GLenum);
typedef void (APIENTRY *PFNGLBINDTEXTUREPROC)(GLenum, GLuint);
typedef void (APIENTRY *PFNGLBLENDFUNCPROC)(GLenum, GLenum);
typedef void (APIENTRY *PFNGLCLEARPROC)(GLbitfield);
typedef void (APIENTRY *PFNGLCLEARCOLORPROC)(GLclampf, GLclampf, GLclampf, GLclampf);
typedef void (APIENTRY *PFNGLCOLOR3FPROC)(GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLCOLOR3FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLCOLOR3UBPROC)(GLubyte, GLubyte, GLubyte);
typedef void (APIENTRY *PFNGLCOLOR3UBVPROC)(const GLubyte *);
typedef void (APIENTRY *PFNGLCOLOR4FPROC)(GLfloat, GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLCOLOR4FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLCOLOR4UBPROC)(GLubyte, GLubyte, GLubyte, GLubyte);
typedef void (APIENTRY *PFNGLCOLOR4UBVPROC)(const GLubyte *);
typedef void (APIENTRY *PFNGLCOLORPOINTERPROC)(GLint, GLenum, GLsizei, const GLvoid *);
typedef void (APIENTRY *PFNGLCULLFACEPROC)(GLenum);
typedef void (APIENTRY *PFNGLDELETETEXTURESPROC)(GLsizei,const GLuint*);
typedef void (APIENTRY *PFNGLDEPTHFUNCPROC)(GLenum);
typedef void (APIENTRY *PFNGLDEPTHMASKPROC)(GLboolean);
typedef void (APIENTRY *PFNGLDEPTHRANGEPROC)(GLclampd, GLclampd);
typedef void (APIENTRY *PFNGLDISABLEPROC)(GLenum);
typedef void (APIENTRY *PFNGLDISABLECLIENTSTATEPROC)(GLenum);
typedef void (APIENTRY *PFNGLDRAWBUFFERPROC)(GLenum);
typedef void (APIENTRY *PFNGLDRAWELEMENTSPROC)(GLenum, GLsizei, GLenum, const GLvoid *);
typedef void (APIENTRY *PFNGLDRAWPIXELSPROC)(GLsizei, GLsizei, GLenum, GLenum, const GLvoid *);
typedef void (APIENTRY *PFNGLDRAWRANGEELEMENTSPROC)(GLenum, GLuint, GLuint, GLsizei, GLenum, const GLvoid *);
typedef void (APIENTRY *PFNGLENABLEPROC)(GLenum);
typedef void (APIENTRY *PFNGLENABLECLIENTSTATEPROC)(GLenum);
typedef void (APIENTRY *PFNGLENDPROC)(GLvoid);
typedef void (APIENTRY *PFNGLFRONTFACEPROC)(GLenum);
typedef void (APIENTRY *PFNGLFRUSTUMPROC)(GLdouble, GLdouble, GLdouble, GLdouble, GLdouble, GLdouble);
typedef void (APIENTRY *PFNGLGENTEXTURESPROC)(GLsizei,GLuint*);
typedef GLenum (APIENTRY *PFNGLGETERRORPROC)(void);
typedef void (APIENTRY *PFNGLGETFLOATVPROC)(GLenum, GLfloat *);
typedef void (APIENTRY *PFNGLGETINTEGERVPROC)(GLenum, GLint *);
typedef const GLubyte* (APIENTRY *PFNGLGETSTRINGPROC)(GLenum);
typedef void (APIENTRY *PFNGLGETTEXPARAMETERFVPROC)(GLenum, GLenum, GLfloat*);
typedef void (APIENTRY *PFNGLHINTPROC)(GLenum, GLenum);
typedef void (APIENTRY *PFNGLLOADIDENTITYPROC)(void);
typedef void (APIENTRY *PFNGLLOADMATRIXFPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLMATRIXMODEPROC)(GLenum);
typedef void (APIENTRY *PFNGLMULTMATRIXFPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLNORMALPOINTERPROC)(GLenum, GLsizei, const GLvoid *);
typedef void (APIENTRY *PFNGLORTHOPROC)(GLdouble, GLdouble, GLdouble, GLdouble, GLdouble, GLdouble);
typedef void (APIENTRY *PFNGLPIXELSTOREIPROC)(GLenum, GLint);
typedef void (APIENTRY *PFNGLPIXELZOOMPROC)(GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLPOLYGONMODEPROC)(GLenum, GLenum);
typedef void (APIENTRY *PFNGLPOLYGONOFFSETPROC)(GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLPOPATTRIBPROC)(void);
typedef void (APIENTRY *PFNGLPOPCLIENTATTRIBPROC)(void);
typedef void (APIENTRY *PFNGLPOPMATRIXPROC)(void);
typedef void (APIENTRY *PFNGLPUSHATTRIBPROC)(GLbitfield);
typedef void (APIENTRY *PFNGLPUSHCLIENTATTRIBPROC)(GLbitfield);
typedef void (APIENTRY *PFNGLPUSHMATRIXPROC)(void);
typedef void (APIENTRY *PFNGLRASTERPOS2IPROC)(GLint, GLint);
typedef void (APIENTRY *PFNGLREADBUFFERPROC)(GLenum);
typedef void (APIENTRY *PFNGLREADPIXELSPROC)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLvoid *);
typedef void (APIENTRY *PFNGLROTATEFPROC)(GLfloat, GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLSCALEFPROC)(GLfloat,GLfloat,GLfloat);
typedef void (APIENTRY *PFNGLSHADEMODELPROC)(GLenum);
typedef void (APIENTRY *PFNGLTEXCOORD2FPROC)(GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLTEXCOORD2FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLTEXCOORD3FPROC)(GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLTEXCOORD3FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLTEXCOORD4FPROC)(GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLTEXCOORD4FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLTEXCOORDPOINTERPROC)(GLint, GLenum, GLsizei, const GLvoid *);
typedef void (APIENTRY *PFNGLTEXENVFPROC)(GLenum, GLenum, GLfloat);
typedef void (APIENTRY *PFNGLTEXENVFVPROC)(GLenum, GLenum, const GLfloat *);
typedef void (APIENTRY *PFNGLTEXENVIPROC)(GLenum, GLenum, GLint);
typedef void (APIENTRY *PFNGLTEXIMAGE2DPROC)(GLenum,GLint,GLint,GLsizei,GLsizei,GLint,GLenum,GLenum,const GLvoid*);
typedef void (APIENTRY *PFNGLTEXPARAMETERFPROC)(GLenum, GLenum, GLfloat);
typedef void (APIENTRY *PFNGLTEXPARAMETERIPROC)(GLenum, GLenum, GLint);
typedef void (APIENTRY *PFNGLTEXSUBIMAGE2DPROC)(GLenum,GLint,GLint,GLint,GLsizei,GLsizei,GLenum,GLenum,const GLvoid*);
typedef void (APIENTRY *PFNGLTRANSLATEFPROC)(GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLVERTEX2FPROC)(GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLVERTEX2FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLVERTEX3FPROC)(GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLVERTEX3FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLVERTEX4FPROC)(GLfloat, GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *PFNGLVERTEX4FVPROC)(const GLfloat *);
typedef void (APIENTRY *PFNGLVERTEXPOINTERPROC)(GLint, GLenum, GLsizei, const GLvoid *);
typedef void (APIENTRY *PFNGLVIEWPORTPROC)(GLint, GLint, GLsizei, GLsizei);
/*
typedef void (APIENTRY * PFNGLCOLORTABLEEXTPROC) (GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
typedef void (APIENTRY * PFNGLGETCOLORTABLEEXTPROC) (GLenum target, GLenum format, GLenum type, GLvoid *data);
typedef void (APIENTRY * PFNGLGETCOLORTABLEPARAMETERIVEXTPROC) (GLenum target, GLenum pname, GLint *params);
typedef void (APIENTRY * PFNGLGETCOLORTABLEPARAMETERFVEXTPROC) (GLenum target, GLenum pname, GLfloat *params);
*/
#if defined(_MSC_VER)
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3BEXTPROC) (GLbyte red, GLbyte green, GLbyte blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3BVEXTPROC) (const GLbyte *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3DEXTPROC) (GLdouble red, GLdouble green, GLdouble blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3DVEXTPROC) (const GLdouble *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3FEXTPROC) (GLfloat red, GLfloat green, GLfloat blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3FVEXTPROC) (const GLfloat *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3IEXTPROC) (GLint red, GLint green, GLint blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3IVEXTPROC) (const GLint *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3SEXTPROC) (GLshort red, GLshort green, GLshort blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3SVEXTPROC) (const GLshort *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3UBEXTPROC) (GLubyte red, GLubyte green, GLubyte blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3UBVEXTPROC) (const GLubyte *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3UIEXTPROC) (GLuint red, GLuint green, GLuint blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3UIVEXTPROC) (const GLuint *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3USEXTPROC) (GLushort red, GLushort green, GLushort blue);
typedef void (APIENTRY * PFNGLSECONDARYCOLOR3USVEXTPROC) (const GLushort *v);
typedef void (APIENTRY * PFNGLSECONDARYCOLORPOINTEREXTPROC) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
#endif
typedef void (APIENTRY *PFNGLXSWAPINTERVALSGIPROC)(int interval);
extern PFNGLALPHAFUNCPROC pglAlphaFunc;
extern PFNGLARRAYELEMENTPROC pglArrayElement;
extern PFNGLBEGINPROC pglBegin;
extern PFNGLBINDTEXTUREPROC pglBindTexture;
extern PFNGLBLENDFUNCPROC pglBlendFunc;
extern PFNGLCLEARPROC pglClear;
extern PFNGLCLEARCOLORPROC pglClearColor;
extern PFNGLCOLOR3FPROC pglColor3f;
extern PFNGLCOLOR3FVPROC pglColor3fv;
extern PFNGLCOLOR3UBPROC pglColor3ub;
extern PFNGLCOLOR3UBVPROC pglColor3ubv;
extern PFNGLCOLOR4FPROC pglColor4f;
extern PFNGLCOLOR4FVPROC pglColor4fv;
extern PFNGLCOLOR4UBPROC pglColor4ub;
extern PFNGLCOLOR4UBVPROC pglColor4ubv;
extern PFNGLCOLORPOINTERPROC pglColorPointer;
extern PFNGLCULLFACEPROC pglCullFace;
extern PFNGLDELETETEXTURESPROC pglDeleteTextures;
extern PFNGLDEPTHFUNCPROC pglDepthFunc;
extern PFNGLDEPTHMASKPROC pglDepthMask;
extern PFNGLDEPTHRANGEPROC pglDepthRange;
extern PFNGLDISABLEPROC pglDisable;
extern PFNGLDISABLECLIENTSTATEPROC pglDisableClientState;
extern PFNGLDRAWBUFFERPROC pglDrawBuffer;
extern PFNGLDRAWELEMENTSPROC pglDrawElements;
extern PFNGLDRAWPIXELSPROC pglDrawPixels;
extern PFNGLDRAWRANGEELEMENTSPROC pglDrawRangeElements;
extern PFNGLENABLEPROC pglEnable;
extern PFNGLENABLECLIENTSTATEPROC pglEnableClientState;
extern PFNGLENDPROC pglEnd;
extern PFNGLFRONTFACEPROC pglFrontFace;
extern PFNGLFRUSTUMPROC pglFrustum;
extern PFNGLGENTEXTURESPROC pglGenTextures;
extern PFNGLGETERRORPROC pglGetError;
extern PFNGLGETFLOATVPROC pglGetFloatv;
extern PFNGLGETINTEGERVPROC pglGetIntegerv;
extern PFNGLGETSTRINGPROC pglGetString;
extern PFNGLGETTEXPARAMETERFVPROC pglGetTexParameterfv;
extern PFNGLHINTPROC pglHint;
extern PFNGLLOADIDENTITYPROC pglLoadIdentity;
extern PFNGLLOADMATRIXFPROC pglLoadMatrixf;
extern PFNGLMATRIXMODEPROC pglMatrixMode;
extern PFNGLMULTMATRIXFPROC pglMultMatrixf;
extern PFNGLNORMALPOINTERPROC pglNormalPointer;
extern PFNGLORTHOPROC pglOrtho;
extern PFNGLPIXELSTOREIPROC pglPixelStorei;
extern PFNGLPIXELZOOMPROC pglPixelZoom;
extern PFNGLPOLYGONMODEPROC pglPolygonMode;
extern PFNGLPOLYGONOFFSETPROC pglPolygonOffset;
extern PFNGLPOPATTRIBPROC pglPopAttrib;
extern PFNGLPOPCLIENTATTRIBPROC pglPopClientAttrib;
extern PFNGLPOPMATRIXPROC pglPopMatrix;
extern PFNGLPUSHATTRIBPROC pglPushAttrib;
extern PFNGLPUSHCLIENTATTRIBPROC pglPushClientAttrib;
extern PFNGLPUSHMATRIXPROC pglPushMatrix;
extern PFNGLRASTERPOS2IPROC pglRasterPos2i;
extern PFNGLREADBUFFERPROC pglReadBuffer;
extern PFNGLREADPIXELSPROC pglReadPixels;
extern PFNGLROTATEFPROC pglRotatef;
extern PFNGLSCALEFPROC pglScalef;
extern PFNGLSHADEMODELPROC pglShadeModel;
extern PFNGLTEXCOORD2FPROC pglTexCoord2f;
extern PFNGLTEXCOORD2FVPROC pglTexCoord2fv;
extern PFNGLTEXCOORD3FPROC pglTexCoord3f;
extern PFNGLTEXCOORD3FVPROC pglTexCoord3fv;
extern PFNGLTEXCOORD4FPROC pglTexCoord4f;
extern PFNGLTEXCOORD4FVPROC pglTexCoord4fv;
extern PFNGLTEXCOORDPOINTERPROC pglTexCoordPointer;
extern PFNGLTEXENVFPROC pglTexEnvf;
extern PFNGLTEXENVFVPROC pglTexEnvfv;
extern PFNGLTEXENVIPROC pglTexEnvi;
extern PFNGLTEXIMAGE2DPROC pglTexImage2D;
extern PFNGLTEXPARAMETERFPROC pglTexParameterf;
extern PFNGLTEXPARAMETERIPROC pglTexParameteri;
extern PFNGLTEXSUBIMAGE2DPROC pglTexSubImage2D;
extern PFNGLTRANSLATEFPROC pglTranslatef;
extern PFNGLVERTEX2FPROC pglVertex2f;
extern PFNGLVERTEX2FVPROC pglVertex2fv;
extern PFNGLVERTEX3FPROC pglVertex3f;
extern PFNGLVERTEX3FVPROC pglVertex3fv;
extern PFNGLVERTEX4FPROC pglVertex4f;
extern PFNGLVERTEX4FVPROC pglVertex4fv;
extern PFNGLVERTEXPOINTERPROC pglVertexPointer;
extern PFNGLVIEWPORTPROC pglViewport;
// GL_EXT_paletted_texture
extern PFNGLCOLORTABLEEXTPROC pglColorTableEXT;
extern PFNGLGETCOLORTABLEPARAMETERIVEXTPROC pglGetColorTableParameterivEXT;
// GL_EXT_secondary_color
extern PFNGLSECONDARYCOLOR3FEXTPROC pglSecondaryColor3fEXT;
extern PFNGLSECONDARYCOLOR3FVEXTPROC pglSecondaryColor3fvEXT;
extern PFNGLSECONDARYCOLOR3UBEXTPROC pglSecondaryColor3ubEXT;
extern PFNGLSECONDARYCOLOR3UBVEXTPROC pglSecondaryColor3ubvEXT;
extern PFNGLSECONDARYCOLORPOINTEREXTPROC pglSecondaryColorPointerEXT;
extern int ogl_have_multisample_filter_hint;
extern int ogl_have_paletted_texture;
extern int ogl_have_secondary_color;
extern int ogl_have_texture_filter_anisotropic;
extern int ogl_use_multisample_filter_hint;
extern int ogl_use_paletted_texture;
extern int ogl_use_secondary_color;
extern int ogl_use_texture_filter_anisotropic;
extern void load_ogl_functions(int mode);
extern int check_for_errors(const char *file, int line);
#endif
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