text: /*
   * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice including the dates of first publication and
   * either this permission notice or a reference to
   * http://oss.sgi.com/projects/FreeB/
   * shall be included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
   * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * Except as contained in this notice, the name of Silicon Graphics, Inc.
   * shall not be used in advertising or otherwise to promote the sale, use or
   * other dealings in this Software without prior written authorization from
   * Silicon Graphics, Inc.
   *
   * OpenGL ES CM 1.0 port of GLU by Mike Gorchak <mike@malva.ua>
   */
  
  #ifndef __GLUES_PROJECT_H__
  #define __GLUES_PROJECT_H__
  
  #if defined(__USE_SDL_GLES__)
     #include <SDL/SDL_opengles.h>
     #ifndef GLAPI
        #define GLAPI GL_API
     #endif
  #elif defined (__QNXNTO__)
     #include <GLES/gl.h>
  #elif defined(_WIN32) && (defined(_M_IX86) || defined(_M_X64))
     /* mainly for PowerVR OpenGL ES 1.x win32 emulator */
     #include <GLES\gl.h>
     #undef APIENTRY
     #define APIENTRY
     #if defined(GLUES_EXPORTS)
        #define GLAPI __declspec(dllexport)
     #else
        #define GLAPI __declspec(dllimport)
     #endif
  #else
     #error "Platform is unsupported"
  #endif
  
  #ifdef __cplusplus
     extern "C" {
  #endif
  
  GLAPI void APIENTRY gluOrtho2D(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top);
  GLAPI void APIENTRY gluPerspective(GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar);
  GLAPI void APIENTRY gluLookAt(GLfloat eyex, GLfloat eyey, GLfloat eyez,
                                GLfloat centerx, GLfloat centery, GLfloat centerz,
                                GLfloat upx, GLfloat upy, GLfloat upz);
  GLAPI GLint APIENTRY gluProject(GLfloat objx, GLfloat objy, GLfloat objz,
                                  const GLfloat modelMatrix[16], const GLfloat projMatrix[16],
                                  const GLint viewport[4], GLfloat* winx, GLfloat* winy, GLfloat* winz);
  GLAPI GLint APIENTRY gluUnProject(GLfloat winx, GLfloat winy, GLfloat winz,
                                    const GLfloat modelMatrix[16], const GLfloat projMatrix[16],
                                    const GLint viewport[4], GLfloat* objx, GLfloat* objy, GLfloat* objz);
  GLAPI GLint APIENTRY gluUnProject4(GLfloat winx, GLfloat winy, GLfloat winz, GLfloat clipw,
                                     const GLfloat modelMatrix[16], const GLfloat projMatrix[16],
                                     const GLint viewport[4], GLclampf nearVal, GLclampf farVal,
                                     GLfloat* objx, GLfloat* objy, GLfloat* objz, GLfloat* objw);
  GLAPI void APIENTRY gluPickMatrix(GLfloat x, GLfloat y, GLfloat deltax, GLfloat deltay, GLint viewport[4]);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __GLUES_PROJECT_H__ */
  