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  1. /*
  2.  * Mesa 3-D graphics library
  3.  * Version:  3.0
  4.  * Copyright (C) 1995-1998  Brian Paul
  5.  *
  6.  * This library is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Library General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2 of the License, or (at your option) any later version.
  10.  *
  11.  * This library is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Library General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Library General Public
  17.  * License along with this library; if not, write to the Free
  18.  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19.  *
  20.  */
  21.  
  22.  
  23. /*
  24.  * Windows driver by: Mark E. Peterson (markp@ic.mankato.mn.us)
  25.  * Updated by Li Wei (liwei@aiar.xjtu.edu.cn)
  26.  *
  27.  *
  28.  ***************************************************************
  29.  *                     WMesa                                   *
  30.  *                     version 2.3                             *       
  31.  *                                                             *
  32.  *                        By                                   *
  33.  *                      Li Wei                                 *
  34.  *       Institute of Artificial Intelligence & Robotics       *
  35.  *       Xi'an Jiaotong University                             *
  36.  *       Email: liwei@aiar.xjtu.edu.cn                         *
  37.  *       Web page: http://sun.aiar.xjtu.edu.cn                 *
  38.  *                                                             *
  39.  *             July 7th, 1997                                  *
  40.  ***************************************************************
  41.  */
  42.  
  43.  
  44. #ifndef WMESA_H
  45. #define WMESA_H
  46.  
  47.  
  48. #ifdef __cplusplus
  49. extern "C" {
  50. #endif
  51.  
  52.  
  53. #include "GL/gl.h"
  54.  
  55. #if defined(_MSV_VER) && !defined(__GNUC__)
  56. #  pragma warning (disable:4273)
  57. #  pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */
  58. #  pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */
  59. #  pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */
  60. #  pragma warning( disable : 4013 ) /* 'function' undefined; assuming extern returning int */
  61. #  pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
  62. #  pragma warning( disable : 4273 ) /* 'identifier' : inconsistent DLL linkage. dllexport assumed */
  63. #  if (MESA_WARNQUIET>1)
  64. #    pragma warning( disable : 4146 ) /* unary minus operator applied to unsigned type, result still unsigned */
  65. #  endif
  66. #endif
  67.  
  68. /*
  69.  * This is the WMesa context 'handle':
  70.  */
  71. typedef struct wmesa_context *WMesaContext;
  72.  
  73.  
  74.  
  75. /*
  76.  * Create a new WMesaContext for rendering into a window.  You must
  77.  * have already created the window of correct visual type and with an
  78.  * appropriate colormap.
  79.  *
  80.  * Input:
  81.  *         hDC - Windows device or memory context
  82.  *         Pal  - Palette to use
  83.  *         rgb_flag - GL_TRUE = RGB mode,
  84.  *                    GL_FALSE = color index mode
  85.  *         db_flag - GL_TRUE = double-buffered,
  86.  *                   GL_FALSE = single buffered
  87.  *         alpha_flag - GL_TRUE = create software alpha buffer,
  88.  *                      GL_FALSE = no software alpha buffer
  89.  *
  90.  * Note: Indexed mode requires double buffering under Windows.
  91.  *
  92.  * Return:  a WMesa_context or NULL if error.
  93.  */
  94. extern WMesaContext WMesaCreateContext(HDC hDC,HPALETTE* pPal,
  95.                                        GLboolean rgb_flag,
  96.                                        GLboolean db_flag,
  97.                                        GLboolean alpha_flag);
  98.  
  99.  
  100. /*
  101.  * Destroy a rendering context as returned by WMesaCreateContext()
  102.  */
  103. extern void WMesaDestroyContext( WMesaContext ctx );
  104.  
  105.  
  106.  
  107. /*
  108.  * Make the specified context the current one.
  109.  */
  110. extern void WMesaMakeCurrent( WMesaContext ctx, HDC hdc );
  111.  
  112.  
  113. /*
  114.  * Return a handle to the current context.
  115.  */
  116. extern WMesaContext WMesaGetCurrentContext( void );
  117.  
  118.  
  119. /*
  120.  * Swap the front and back buffers for the current context.  No action
  121.  * taken if the context is not double buffered.
  122.  */
  123. extern void WMesaSwapBuffers(HDC hdc);
  124.  
  125.  
  126. /*
  127.  * In indexed color mode we need to know when the palette changes.
  128.  */
  129. extern void WMesaPaletteChange(HPALETTE Pal);
  130.  
  131. extern void WMesaMove(void);
  132.  
  133. void WMesaShareLists(WMesaContext ctx_to_share, WMesaContext ctx);
  134.  
  135. #ifdef __cplusplus
  136. }
  137. #endif
  138.  
  139.  
  140. #endif
  141.  
  142.