src/mesa/main/glheader.h

   1 /* $Id: glheader.h,v 1.8 2000/05/22 16:30:47 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   6  *
   7  * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 #ifndef GLHEADER_H
  29 #define GLHEADER_H
  30
  31
  32 /*
  33  * This is the top-most include file of the Mesa sources.
  34  * It includes gl.h and all system headers which are needed.
  35  * Other Mesa source files should _not_ directly include any system
  36  * headers.  This allows Mesa to be integrated into XFree86 and
  37  * allows system-dependent hacks/work-arounds to be collected in one place.
  38  *
  39  * If you touch this file, everything gets recompiled!
  40  *
  41  * This file should be included before any other header in the .c files.
  42  */
  43
  44
  45 #ifdef XFree86LOADER
  46 #include "xf86_ansic.h"
  47 #else
  48 #include <assert.h>
  49 #include <ctype.h>
  50 #include <math.h>
  51 #include <limits.h>
  52 #include <stdlib.h>
  53 #include <stdio.h>
  54 #include <string.h>
  55 #if defined(__linux__) && defined(__i386__)
  56 #include <fpu_control.h>
  57 #endif
  58 #endif
  59 #include <float.h>
  60
  61
  62 #ifdef HAVE_CONFIG_H
  63 #include "conf.h"
  64 #endif
  65
  66 /* Make sure we include glext.h */
  67 #if 0
  68 #define GL_GLEXT_LEGACY
  69 #include "GL/gl.h"
  70 #include "glext_proto.h"
  71 #else
  72 #include "GL/gl.h"
  73 #include "GL/glext.h"
  74 #endif
  75
  76
  77 /*
  78  * Put compiler/OS/assembly pragmas and macros here to avoid
  79  * cluttering other source files.
  80  */
  81
  82
  83
  84 /*
  85  * XXX move as many of these pragma's and MS Windows-isms into
  86  * the new src/glheader.h file.
  87  */
  88
  89 #if defined(_WIN32) && !defined(__WIN32__)
  90 #       define __WIN32__
  91 #endif
  92
  93 #if !defined(OPENSTEP) && (defined(__WIN32__) || defined(__CYGWIN32__))
  94 #  pragma warning( disable : 4068 ) /* unknown pragma */
  95 #  pragma warning( disable : 4710 ) /* function 'foo' not inlined */
  96 #  pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */
  97 #  pragma warning( disable : 4127 ) /* conditional expression is constant */
  98 #  if defined(MESA_MINWARN)
  99 #    pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */
 100 #    pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */
 101 #    pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */
 102 #    pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */
 103 #    pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
 104 #  endif
 105 #  if defined(_MSC_VER) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
 106 #    define GLAPI __declspec(dllexport)
 107 #    define WGLAPI __declspec(dllexport)
 108 #  elif defined(_MSC_VER) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
 109 #    define GLAPI __declspec(dllimport)
 110 #    define WGLAPI __declspec(dllimport)
 111 #  else /* for use with static link lib build of Win32 edition only */
 112 #    define GLAPI extern
 113 #    define WGLAPI __declspec(dllimport)
 114 #  endif /* _STATIC_MESA support */
 115 #  define GLAPIENTRY __stdcall
 116 #  define GLAPIENTRYP __stdcall *
 117 #  define GLCALLBACK __stdcall
 118 #  define GLCALLBACKP __stdcall *
 119 #  if defined(__CYGWIN32__)
 120 #    define GLCALLBACKPCAST *
 121 #  else
 122 #    define GLCALLBACKPCAST __stdcall *
 123 #  endif
 124 #  define GLWINAPI __stdcall
 125 #  define GLWINAPIV __cdecl
 126 #else
 127 /* non-Windows compilation */
 128 #  define GLAPI extern
 129 #  define GLAPIENTRY
 130 #  define GLAPIENTRYP *
 131 #  define GLCALLBACK
 132 #  define GLCALLBACKP *
 133 #  define GLCALLBACKPCAST *
 134 #  define GLWINAPI
 135 #  define GLWINAPIV
 136 #endif /* WIN32 / CYGWIN32 bracket */
 137
 138 /* compatability guard so we don't need to change client code */
 139
 140 #if defined(_WIN32) && !defined(_WINDEF_) && !defined(_GNU_H_WINDOWS32_BASE) && !defined(OPENSTEP)
 141 #       define CALLBACK GLCALLBACK
 142 typedef int (GLAPIENTRY *PROC)();
 143 typedef void *HGLRC;
 144 typedef void *HDC;
 145 typedef unsigned long COLORREF;
 146 #endif
 147
 148 #if defined(_WIN32) && !defined(_WINGDI_) && !defined(_GNU_H_WINDOWS32_DEFINES) && !defined(OPENSTEP)
 149 #       define WGL_FONT_LINES      0
 150 #       define WGL_FONT_POLYGONS   1
 151 #ifndef _GNU_H_WINDOWS32_FUNCTIONS
 152 #       ifdef UNICODE
 153 #               define wglUseFontBitmaps  wglUseFontBitmapsW
 154 #               define wglUseFontOutlines  wglUseFontOutlinesW
 155 #       else
 156 #               define wglUseFontBitmaps  wglUseFontBitmapsA
 157 #               define wglUseFontOutlines  wglUseFontOutlinesA
 158 #       endif /* !UNICODE */
 159 #endif /* _GNU_H_WINDOWS32_FUNCTIONS */
 160 typedef struct tagLAYERPLANEDESCRIPTOR LAYERPLANEDESCRIPTOR, *PLAYERPLANEDESCRIPTOR, *LPLAYERPLANEDESCRIPTOR;
 161 typedef struct _GLYPHMETRICSFLOAT GLYPHMETRICSFLOAT, *PGLYPHMETRICSFLOAT, *LPGLYPHMETRICSFLOAT;
 162 typedef struct tagPIXELFORMATDESCRIPTOR PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR;
 163 #include <gl/mesa_wgl.h>
 164 #endif
 165
 166
 167
 168
 169 /* Disable unreachable code warnings for Watcom C++ */
 170 #ifdef  __WATCOMC__
 171 #pragma disable_message(201)
 172 #endif
 173
 174
 175 /* Turn off macro checking systems used by other libraries */
 176 #ifdef CHECK
 177 #undef CHECK
 178 #endif
 179
 180
 181 /* Create a macro so that asm functions can be linked into compilers other
 182  * than GNU C
 183  */
 184 #ifndef _ASMAPI
 185 #if !defined( __GNUC__ ) && !defined( VMS )
 186 #define _ASMAPI __cdecl
 187 #else
 188 #define _ASMAPI
 189 #endif
 190 #ifdef  PTR_DECL_IN_FRONT
 191 #define _ASMAPIP * _ASMAPI
 192 #else
 193 #define _ASMAPIP _ASMAPI *
 194 #endif
 195 #endif
 196
 197 #ifdef USE_X86_ASM
 198 #define _NORMAPI _ASMAPI
 199 #define _NORMAPIP _ASMAPIP
 200 #else
 201 #define _NORMAPI
 202 #define _NORMAPIP *
 203 #endif
 204
 205
 206
 207 #endif /* GLHEADER_H */