include/GL/wmesa.h

   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