removed support for GL_SGIS_multitexture (ancient)
[divverent/darkplaces.git] / 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