glquake.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // disable data conversion warnings
  21
  22 #ifdef _MSC_VER
  23 //#pragma warning(disable : 4244)     // MIPS
  24 //#pragma warning(disable : 4136)     // X86
  25 //#pragma warning(disable : 4051)     // ALPHA
  26 #pragma warning(disable : 4244)     // LordHavoc: MSVC++ 4 x86, double/float
  27 #pragma warning(disable : 4305)         // LordHavoc: MSVC++ 6 x86, double/float
  28 #pragma warning(disable : 4018)         // LordHavoc: MSVC++ 4 x86, signed/unsigned mismatch
  29 #endif
  30
  31 #ifdef _WIN32
  32 #include <windows.h>
  33 #define strcasecmp stricmp
  34 #define strncasecmp strnicmp
  35 #endif
  36
  37 #include <GL/gl.h>
  38 //#include <GL/glu.h>
  39
  40 extern qboolean isG200;
  41 extern qboolean isRagePro;
  42
  43 extern void GL_BeginRendering (int *x, int *y, int *width, int *height);
  44 extern void GL_EndRendering (void);
  45
  46 extern  float   gldepthmin, gldepthmax;
  47
  48 //====================================================
  49
  50 extern  const char *gl_vendor;
  51 extern  const char *gl_renderer;
  52 extern  const char *gl_version;
  53 extern  const char *gl_extensions;
  54
  55 #ifndef _WIN32
  56 #define APIENTRY /* */
  57 #endif
  58
  59 // for platforms (wgl) that do not use GLAPIENTRY
  60 #ifndef GLAPIENTRY
  61 #define GLAPIENTRY APIENTRY
  62 #endif
  63
  64 // GL_ARB_multitexture
  65 extern int gl_textureunits;
  66 extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
  67 extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
  68 extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
  69 #ifndef GL_ACTIVE_TEXTURE_ARB
  70 #define GL_ACTIVE_TEXTURE_ARB                   0x84E0
  71 #define GL_CLIENT_ACTIVE_TEXTURE_ARB    0x84E1
  72 #define GL_MAX_TEXTURE_UNITS_ARB                0x84E2
  73 #define GL_TEXTURE0_ARB                                 0x84C0
  74 #define GL_TEXTURE1_ARB                                 0x84C1
  75 #define GL_TEXTURE2_ARB                                 0x84C2
  76 #define GL_TEXTURE3_ARB                                 0x84C3
  77 #define GL_TEXTURE4_ARB                                 0x84C4
  78 #define GL_TEXTURE5_ARB                                 0x84C5
  79 #define GL_TEXTURE6_ARB                                 0x84C6
  80 #define GL_TEXTURE7_ARB                                 0x84C7
  81 #define GL_TEXTURE8_ARB                                 0x84C8
  82 #define GL_TEXTURE9_ARB                                 0x84C9
  83 #define GL_TEXTURE10_ARB                                0x84CA
  84 #define GL_TEXTURE11_ARB                                0x84CB
  85 #define GL_TEXTURE12_ARB                                0x84CC
  86 #define GL_TEXTURE13_ARB                                0x84CD
  87 #define GL_TEXTURE14_ARB                                0x84CE
  88 #define GL_TEXTURE15_ARB                                0x84CF
  89 #define GL_TEXTURE16_ARB                                0x84D0
  90 #define GL_TEXTURE17_ARB                                0x84D1
  91 #define GL_TEXTURE18_ARB                                0x84D2
  92 #define GL_TEXTURE19_ARB                                0x84D3
  93 #define GL_TEXTURE20_ARB                                0x84D4
  94 #define GL_TEXTURE21_ARB                                0x84D5
  95 #define GL_TEXTURE22_ARB                                0x84D6
  96 #define GL_TEXTURE23_ARB                                0x84D7
  97 #define GL_TEXTURE24_ARB                                0x84D8
  98 #define GL_TEXTURE25_ARB                                0x84D9
  99 #define GL_TEXTURE26_ARB                                0x84DA
 100 #define GL_TEXTURE27_ARB                                0x84DB
 101 #define GL_TEXTURE28_ARB                                0x84DC
 102 #define GL_TEXTURE29_ARB                                0x84DD
 103 #define GL_TEXTURE30_ARB                                0x84DE
 104 #define GL_TEXTURE31_ARB                                0x84DF
 105 #endif
 106
 107 // GL_EXT_compiled_vertex_array
 108 extern int gl_supportslockarrays;
 109 extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
 110 extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
 111
 112 // GL_ARB_texture_env_combine
 113 extern int gl_combine_extension;
 114 #ifndef GL_COMBINE_ARB
 115 #define GL_COMBINE_ARB                                  0x8570
 116 #define GL_COMBINE_RGB_ARB                              0x8571
 117 #define GL_COMBINE_ALPHA_ARB                    0x8572
 118 #define GL_SOURCE0_RGB_ARB                              0x8580
 119 #define GL_SOURCE1_RGB_ARB                              0x8581
 120 #define GL_SOURCE2_RGB_ARB                              0x8582
 121 #define GL_SOURCE0_ALPHA_ARB                    0x8588
 122 #define GL_SOURCE1_ALPHA_ARB                    0x8589
 123 #define GL_SOURCE2_ALPHA_ARB                    0x858A
 124 #define GL_OPERAND0_RGB_ARB                             0x8590
 125 #define GL_OPERAND1_RGB_ARB                             0x8591
 126 #define GL_OPERAND2_RGB_ARB                             0x8592
 127 #define GL_OPERAND0_ALPHA_ARB                   0x8598
 128 #define GL_OPERAND1_ALPHA_ARB                   0x8599
 129 #define GL_OPERAND2_ALPHA_ARB                   0x859A
 130 #define GL_RGB_SCALE_ARB                                0x8573
 131 #define GL_ADD_SIGNED_ARB                               0x8574
 132 #define GL_INTERPOLATE_ARB                              0x8575
 133 #define GL_SUBTRACT_ARB                                 0x84E7
 134 #define GL_CONSTANT_ARB                                 0x8576
 135 #define GL_PRIMARY_COLOR_ARB                    0x8577
 136 #define GL_PREVIOUS_ARB                                 0x8578
 137 #endif
 138
 139 extern cvar_t gl_combine;
 140
 141 #ifdef WIN32
 142 #else
 143 //#ifndef MESA
 144 //extern void (GLAPIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
 145 //#endif
 146
 147 #endif
 148
 149 //#define DEBUGGL
 150
 151 #ifdef DEBUGGL
 152 #define CHECKGLERROR if ((errornumber = glGetError())) GL_PrintError(errornumber, __FILE__, __LINE__);
 153 extern int errornumber;
 154 void GL_PrintError(int errornumber, char *filename, int linenumber);
 155 #else
 156 #define CHECKGLERROR
 157 #endif