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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 (at) ic.mankato.mn.us)
     25  * Updated by Li Wei (liwei (at) 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 (at) 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