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 typedef struct
  49 {
  50         float   x, y, z;
  51         float   s, t;
  52         float   r, g, b;
  53 } glvert_t;
  54
  55 extern glvert_t glv;
  56
  57 extern  int glx, gly, glwidth, glheight;
  58
  59 // r_local.h -- private refresh defs
  60
  61 #define ALIAS_BASE_SIZE_RATIO           (1.0 / 11.0)
  62                                         // normalizing factor so player model works out to about
  63                                         //  1 pixel per triangle
  64 #define MAX_LBM_HEIGHT          480
  65
  66 #define BACKFACE_EPSILON        0.01
  67
  68
  69 extern void R_TimeRefresh_f (void);
  70
  71 //====================================================
  72
  73
  74 extern  qboolean        r_cache_thrash;         // compatability
  75 extern  vec3_t          modelorg, r_entorigin;
  76 extern  entity_t        *currententity;
  77 extern  int                     r_framecount;
  78 extern  mplane_t        frustum[4];
  79 extern  int             c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
  80
  81
  82 //
  83 // view origin
  84 //
  85 extern  vec3_t  vup;
  86 extern  vec3_t  vpn;
  87 extern  vec3_t  vright;
  88 extern  vec3_t  r_origin;
  89
  90 //
  91 // screen size info
  92 //
  93 extern  refdef_t        r_refdef;
  94 extern  mleaf_t         *r_viewleaf, *r_oldviewleaf;
  95 extern  unsigned short  d_lightstylevalue[256]; // 8.8 fraction of base light value
  96
  97 extern  qboolean        envmap;
  98
  99 extern  cvar_t  r_drawentities;
 100 extern  cvar_t  r_drawviewmodel;
 101 extern  cvar_t  r_speeds;
 102 extern  cvar_t  r_fullbright;
 103 extern  cvar_t  r_wateralpha;
 104 extern  cvar_t  r_dynamic;
 105 extern  cvar_t  r_waterripple;
 106
 107 extern  float   r_world_matrix[16];
 108
 109 extern  const char *gl_vendor;
 110 extern  const char *gl_renderer;
 111 extern  const char *gl_version;
 112 extern  const char *gl_extensions;
 113
 114 #ifndef _WIN32
 115 #define APIENTRY /* */
 116 #endif
 117
 118 // for platforms (wgl) that do not use GLAPIENTRY
 119 #ifndef GLAPIENTRY
 120 #define GLAPIENTRY APIENTRY
 121 #endif
 122
 123 // GL_ARB_multitexture
 124 extern int gl_mtexable;
 125 extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
 126 extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
 127 extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
 128 #ifndef GL_ACTIVE_TEXTURE_ARB
 129 #define GL_ACTIVE_TEXTURE_ARB                   0x84E0
 130 #define GL_CLIENT_ACTIVE_TEXTURE_ARB    0x84E1
 131 #define GL_MAX_TEXTURES_UNITS_ARB               0x84E2
 132 #define GL_TEXTURE0_ARB                                 0x84C0
 133 #define GL_TEXTURE1_ARB                                 0x84C1
 134 #define GL_TEXTURE2_ARB                                 0x84C2
 135 #define GL_TEXTURE3_ARB                                 0x84C3
 136 #define GL_TEXTURE4_ARB                                 0x84C4
 137 #define GL_TEXTURE5_ARB                                 0x84C5
 138 #define GL_TEXTURE6_ARB                                 0x84C6
 139 #define GL_TEXTURE7_ARB                                 0x84C7
 140 #define GL_TEXTURE8_ARB                                 0x84C8
 141 #define GL_TEXTURE9_ARB                                 0x84C9
 142 #define GL_TEXTURE10_ARB                                0x84CA
 143 #define GL_TEXTURE11_ARB                                0x84CB
 144 #define GL_TEXTURE12_ARB                                0x84CC
 145 #define GL_TEXTURE13_ARB                                0x84CD
 146 #define GL_TEXTURE14_ARB                                0x84CE
 147 #define GL_TEXTURE15_ARB                                0x84CF
 148 #define GL_TEXTURE16_ARB                                0x84D0
 149 #define GL_TEXTURE17_ARB                                0x84D1
 150 #define GL_TEXTURE18_ARB                                0x84D2
 151 #define GL_TEXTURE19_ARB                                0x84D3
 152 #define GL_TEXTURE20_ARB                                0x84D4
 153 #define GL_TEXTURE21_ARB                                0x84D5
 154 #define GL_TEXTURE22_ARB                                0x84D6
 155 #define GL_TEXTURE23_ARB                                0x84D7
 156 #define GL_TEXTURE24_ARB                                0x84D8
 157 #define GL_TEXTURE25_ARB                                0x84D9
 158 #define GL_TEXTURE26_ARB                                0x84DA
 159 #define GL_TEXTURE27_ARB                                0x84DB
 160 #define GL_TEXTURE28_ARB                                0x84DC
 161 #define GL_TEXTURE29_ARB                                0x84DD
 162 #define GL_TEXTURE30_ARB                                0x84DE
 163 #define GL_TEXTURE31_ARB                                0x84DF
 164 #endif
 165
 166 // GL_EXT_compiled_vertex_array
 167 extern int gl_supportslockarrays;
 168 extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
 169 extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
 170
 171 // GL_ARB_texture_env_combine
 172 extern int gl_combine_extension;
 173 #ifndef GL_COMBINE_ARB
 174 #define GL_COMBINE_ARB                                  0x8570
 175 #define GL_COMBINE_RGB_ARB                              0x8571
 176 #define GL_COMBINE_ALPHA_ARB                    0x8572
 177 #define GL_SOURCE0_RGB_ARB                              0x8580
 178 #define GL_SOURCE1_RGB_ARB                              0x8581
 179 #define GL_SOURCE2_RGB_ARB                              0x8582
 180 #define GL_SOURCE0_ALPHA_ARB                    0x8588
 181 #define GL_SOURCE1_ALPHA_ARB                    0x8589
 182 #define GL_SOURCE2_ALPHA_ARB                    0x858A
 183 #define GL_OPERAND0_RGB_ARB                             0x8590
 184 #define GL_OPERAND1_RGB_ARB                             0x8591
 185 #define GL_OPERAND2_RGB_ARB                             0x8592
 186 #define GL_OPERAND0_ALPHA_ARB                   0x8598
 187 #define GL_OPERAND1_ALPHA_ARB                   0x8599
 188 #define GL_OPERAND2_ALPHA_ARB                   0x859A
 189 #define GL_RGB_SCALE_ARB                                0x8573
 190 #define GL_ADD_SIGNED_ARB                               0x8574
 191 #define GL_INTERPOLATE_ARB                              0x8575
 192 #define GL_SUBTRACT_ARB                                 0x84E7
 193 #define GL_CONSTANT_ARB                                 0x8576
 194 #define GL_PRIMARY_COLOR_ARB                    0x8577
 195 #define GL_PREVIOUS_ARB                                 0x8578
 196 #endif
 197
 198 extern cvar_t gl_combine;
 199
 200 #ifdef WIN32
 201 #else
 202 //#ifndef MESA
 203 //extern void (GLAPIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
 204 //#endif
 205
 206 #endif