2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
20 // disable data conversion warnings
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
33 #define strcasecmp stricmp
34 #define strncasecmp strnicmp
40 extern qboolean isG200;
41 extern qboolean isRagePro;
42 extern qboolean gl_mtexable;
43 extern qboolean gl_supportslockarrays;
45 extern void GL_BeginRendering (int *x, int *y, int *width, int *height);
46 extern void GL_EndRendering (void);
48 extern float gldepthmin, gldepthmax;
59 extern int glx, gly, glwidth, glheight;
61 // r_local.h -- private refresh defs
63 #define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
64 // normalizing factor so player model works out to about
65 // 1 pixel per triangle
66 #define MAX_LBM_HEIGHT 480
68 #define BACKFACE_EPSILON 0.01
71 extern void R_TimeRefresh_f (void);
73 //====================================================
76 extern entity_t r_worldentity;
77 extern qboolean r_cache_thrash; // compatability
78 extern vec3_t modelorg, r_entorigin;
79 extern entity_t *currententity;
80 extern int r_visframecount; // ??? what difs?
81 extern int r_framecount;
82 extern mplane_t frustum[4];
83 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;
92 extern vec3_t r_origin;
97 extern refdef_t r_refdef;
98 extern mleaf_t *r_viewleaf, *r_oldviewleaf;
99 extern texture_t *r_notexture_mip;
100 extern unsigned short d_lightstylevalue[256]; // 8.8 fraction of base light value
102 extern qboolean envmap;
104 extern int skytexturenum; // index in cl.loadmodel, not gl texture object
106 extern cvar_t r_drawentities;
107 extern cvar_t r_drawviewmodel;
108 extern cvar_t r_speeds;
109 extern cvar_t r_fullbright;
110 extern cvar_t r_wateralpha;
111 extern cvar_t r_dynamic;
112 extern cvar_t r_novis;
113 extern cvar_t r_waterripple;
115 extern float r_world_matrix[16];
117 extern const char *gl_vendor;
118 extern const char *gl_renderer;
119 extern const char *gl_version;
120 extern const char *gl_extensions;
123 #define TEXTURE0_SGIS 0x835E
124 #define TEXTURE1_SGIS 0x835F
127 #define APIENTRY /* */
130 // LordHavoc: ARB multitexure support
131 extern int gl_mtex_enum;
133 // for platforms (wgl) that do not use GLAPIENTRY
135 #define GLAPIENTRY APIENTRY
139 extern void (GLAPIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
140 extern void (GLAPIENTRY *qglSelectTexture) (GLenum);
141 extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
142 extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
145 #ifndef GL_ACTIVE_TEXTURE_ARB
147 #define GL_ACTIVE_TEXTURE_ARB 0x84E0
148 #define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
149 #define GL_MAX_TEXTURES_UNITS_ARB 0x84E2
150 #define GL_TEXTURE0_ARB 0x84C0
151 #define GL_TEXTURE1_ARB 0x84C1
152 #define GL_TEXTURE2_ARB 0x84C2
153 #define GL_TEXTURE3_ARB 0x84C3
154 // LordHavoc: ARB supports 32+ texture units, but hey I only use 2 anyway...
160 //extern void (GLAPIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
165 // LordHavoc: vertex transform
166 #include "transform.h"
168 // LordHavoc: transparent polygon system
171 #define gl_solid_format 3
172 #define gl_alpha_format 4
176 // LordHavoc: was a major time waster
177 #define R_CullBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) == 2 || frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) == 2 || frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) == 2 || frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) == 2)
178 #define R_NotCulledBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) != 2 && frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) != 2 && frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) != 2 && frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) != 2)
180 extern qboolean fogenabled;
181 extern vec3_t fogcolor;
182 extern vec_t fogdensity;
183 //#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2])*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2]))))
184 #define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0])*((v)[0] - r_refdef.vieworg[0])+((v)[1] - r_refdef.vieworg[1])*((v)[1] - r_refdef.vieworg[1])+((v)[2] - r_refdef.vieworg[2])*((v)[2] - r_refdef.vieworg[2])))))
185 #define calcfogbyte(v) ((byte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))
187 #include "r_modules.h"
189 extern qboolean lighthalf;
191 #include "r_lerpanim.h"
193 void GL_LockArray(int first, int count);
194 void GL_UnlockArray();
196 void R_DrawAliasModel (entity_t *ent, int cull, float alpha, model_t *clmodel, frameblend_t *blend, int skin, vec3_t org, vec3_t angles, vec_t scale, int effects, int flags, int colormap);
198 extern cvar_t r_render;
199 extern cvar_t r_upload;