mirror of
https://github.com/Shpoike/Quakespasm.git
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2b586c4162
in this file. made it to look like gl_vidsdl.c. glquake.h: removed commented out multitexture stuff. git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@126 af15c1b1-3010-417e-b628-4374ebc0bcbd
321 lines
8.8 KiB
C
321 lines
8.8 KiB
C
/*
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Copyright (C) 1996-2001 Id Software, Inc.
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Copyright (C) 2002-2009 John Fitzgibbons and others
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Copyright (C) 2007-2008 Kristian Duske
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GLQUAKE_H
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#define __GLQUAKE_H
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void GL_BeginRendering (int *x, int *y, int *width, int *height);
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void GL_EndRendering (void);
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void GL_Set2D (void);
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//johnfitz -- removed texture object stuff since they are standard in gl 1.1
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typedef struct
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{
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float x, y, z;
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float s, t;
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float r, g, b;
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} glvert_t;
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extern glvert_t glv;
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extern int glx, gly, glwidth, glheight;
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// r_local.h -- private refresh defs
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#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
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// normalizing factor so player model works out to about
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// 1 pixel per triangle
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#define MAX_LBM_HEIGHT 480
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#define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf
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#define SKYSHIFT 7
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#define SKYSIZE (1 << SKYSHIFT)
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#define SKYMASK (SKYSIZE - 1)
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#define BACKFACE_EPSILON 0.01
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void R_TimeRefresh_f (void);
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void R_ReadPointFile_f (void);
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texture_t *R_TextureAnimation (texture_t *base, int frame);
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typedef struct surfcache_s
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{
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struct surfcache_s *next;
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struct surfcache_s **owner; // NULL is an empty chunk of memory
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int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
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int dlight;
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int size; // including header
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unsigned width;
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unsigned height; // DEBUG only needed for debug
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float mipscale;
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struct texture_s *texture; // checked for animating textures
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byte data[4]; // width*height elements
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} surfcache_t;
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typedef struct
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{
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pixel_t *surfdat; // destination for generated surface
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int rowbytes; // destination logical width in bytes
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msurface_t *surf; // description for surface to generate
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fixed8_t lightadj[MAXLIGHTMAPS];
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// adjust for lightmap levels for dynamic lighting
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texture_t *texture; // corrected for animating textures
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int surfmip; // mipmapped ratio of surface texels / world pixels
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int surfwidth; // in mipmapped texels
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int surfheight; // in mipmapped texels
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} drawsurf_t;
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typedef enum {
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pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2
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} ptype_t;
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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typedef struct particle_s
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{
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// driver-usable fields
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vec3_t org;
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float color;
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// drivers never touch the following fields
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struct particle_s *next;
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vec3_t vel;
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float ramp;
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float die;
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ptype_t type;
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} particle_t;
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//====================================================
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extern qboolean r_cache_thrash; // compatability
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extern vec3_t modelorg, r_entorigin;
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extern entity_t *currententity;
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extern int r_visframecount; // ??? what difs?
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extern int r_framecount;
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extern mplane_t frustum[4];
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//
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// view origin
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//
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extern vec3_t vup;
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extern vec3_t vpn;
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extern vec3_t vright;
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extern vec3_t r_origin;
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//
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// screen size info
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//
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extern refdef_t r_refdef;
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extern mleaf_t *r_viewleaf, *r_oldviewleaf;
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extern int d_lightstylevalue[256]; // 8.8 fraction of base light value
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extern qboolean envmap;
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extern cvar_t r_norefresh;
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extern cvar_t r_drawentities;
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extern cvar_t r_drawworld;
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extern cvar_t r_drawviewmodel;
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extern cvar_t r_speeds;
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extern cvar_t r_waterwarp;
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extern cvar_t r_fullbright;
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extern cvar_t r_lightmap;
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extern cvar_t r_shadows;
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extern cvar_t r_wateralpha;
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extern cvar_t r_dynamic;
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extern cvar_t r_novis;
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extern cvar_t gl_clear;
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extern cvar_t gl_cull;
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extern cvar_t gl_smoothmodels;
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extern cvar_t gl_affinemodels;
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extern cvar_t gl_polyblend;
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extern cvar_t gl_flashblend;
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extern cvar_t gl_nocolors;
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extern cvar_t gl_max_size;
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extern cvar_t gl_playermip;
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extern float r_world_matrix[16];
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extern const char *gl_vendor;
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extern const char *gl_renderer;
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extern const char *gl_version;
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extern const char *gl_extensions;
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// Multitexture
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#define TEXTURE0_SGIS 0x835E
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#define TEXTURE1_SGIS 0x835F
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//johnfitz -- modified multitexture support
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extern PFNGLMULTITEXCOORD2FARBPROC GL_MTexCoord2fFunc;
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extern PFNGLACTIVETEXTUREARBPROC GL_SelectTextureFunc;
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extern GLenum TEXTURE0, TEXTURE1;
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//johnfitz
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//johnfitz -- anisotropic filtering
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#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
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#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
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//johnfitz
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//johnfitz -- polygon offset
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#define OFFSET_BMODEL 1
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#define OFFSET_NONE 0
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#define OFFSET_DECAL -1
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#define OFFSET_FOG -2
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#define OFFSET_SHOWTRIS -3
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void GL_PolygonOffset (int);
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//johnfitz
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//johnfitz -- GL_EXT_texture_env_combine
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//the values for GL_ARB_ are identical
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#define GL_COMBINE_EXT 0x8570
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#define GL_COMBINE_RGB_EXT 0x8571
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#define GL_COMBINE_ALPHA_EXT 0x8572
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#define GL_RGB_SCALE_EXT 0x8573
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#define GL_CONSTANT_EXT 0x8576
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#define GL_PRIMARY_COLOR_EXT 0x8577
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#define GL_PREVIOUS_EXT 0x8578
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#define GL_SOURCE0_RGB_EXT 0x8580
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#define GL_SOURCE1_RGB_EXT 0x8581
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#define GL_SOURCE0_ALPHA_EXT 0x8588
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#define GL_SOURCE1_ALPHA_EXT 0x8589
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extern qboolean gl_texture_env_combine;
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//johnfitz
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extern qboolean gl_texture_env_add; //johnfitz -- for GL_EXT_texture_env_add
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extern qboolean isIntelVideo; //johnfitz -- intel video workarounds from Baker
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//johnfitz -- rendering statistics
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extern int rs_brushpolys, rs_aliaspolys, rs_skypolys, rs_particles, rs_fogpolys;
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extern int rs_dynamiclightmaps, rs_brushpasses, rs_aliaspasses, rs_skypasses;
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extern float rs_megatexels;
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//johnfitz
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//johnfitz -- track developer statistics that vary every frame
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extern cvar_t devstats;
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typedef struct {
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int packetsize;
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int edicts;
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int visedicts;
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int efrags;
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int tempents;
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int beams;
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int dlights;
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} devstats_t;
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extern devstats_t dev_stats, dev_peakstats;
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//johnfitz
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//ohnfitz -- reduce overflow warning spam
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typedef struct {
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double packetsize;
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double efrags;
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double beams;
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} overflowtimes_t;
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extern overflowtimes_t dev_overflows; //this stores the last time overflow messages were displayed, not the last time overflows occured
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#define CONSOLE_RESPAM_TIME 3 // seconds between repeated warning messages
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//johnfitz
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//johnfitz -- moved here from r_brush.c
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#define MAX_LIGHTMAPS 256 //johnfitz -- was 64
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extern gltexture_t *lightmap_textures[MAX_LIGHTMAPS]; //johnfitz -- changed to an array
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//johnfitz
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extern int gl_warpimagesize; //johnfitz -- for water warp
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extern qboolean r_drawflat_cheatsafe, r_fullbright_cheatsafe, r_lightmap_cheatsafe, r_drawworld_cheatsafe; //johnfitz
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//johnfitz -- fog functions called from outside gl_fog.c
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void Fog_ParseServerMessage (void);
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float *Fog_GetColor (void);
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float Fog_GetDensity (void);
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void Fog_EnableGFog (void);
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void Fog_DisableGFog (void);
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void Fog_StartAdditive (void);
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void Fog_StopAdditive (void);
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void Fog_SetupFrame (void);
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void Fog_NewMap (void);
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void Fog_Init (void);
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//johnfitz
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void R_NewGame (void);
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void R_AnimateLight (void);
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void R_MarkSurfaces (void);
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void R_CullSurfaces (void);
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qboolean R_CullBox (vec3_t emins, vec3_t emaxs);
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void R_StoreEfrags (efrag_t **ppefrag);
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qboolean R_CullModelForEntity (entity_t *e);
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void R_RotateForEntity (vec3_t origin, vec3_t angles);
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void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
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void R_InitParticles (void);
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void R_DrawParticles (void);
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void CL_RunParticles (void);
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void R_ClearParticles (void);
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void R_TranslatePlayerSkin (int playernum);
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void R_TranslateNewPlayerSkin (int playernum); //johnfitz -- this handles cases when the actual texture changes
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void R_UpdateWarpTextures (void);
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void R_DrawWorld (void);
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void R_DrawAliasModel (entity_t *e);
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void R_DrawBrushModel (entity_t *e);
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void R_DrawSpriteModel (entity_t *e);
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void R_DrawTextureChains_Water (void);
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void R_RenderDlights (void);
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void GL_BuildLightmaps (void);
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void R_RebuildAllLightmaps (void);
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int R_LightPoint (vec3_t p);
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void GL_SubdivideSurface (msurface_t *fa);
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void R_BuildLightMap (msurface_t *surf, byte *dest, int stride);
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void R_RenderDynamicLightmaps (msurface_t *fa);
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void R_UploadLightmap (int lmap);
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void R_DrawTextureChains_ShowTris (void);
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void R_DrawBrushModel_ShowTris (entity_t *e);
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void R_DrawAliasModel_ShowTris (entity_t *e);
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void R_DrawParticles_ShowTris (void);
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void GL_DrawAliasShadow (entity_t *e);
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void DrawGLTriangleFan (glpoly_t *p);
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void DrawGLPoly (glpoly_t *p);
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void DrawWaterPoly (glpoly_t *p);
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void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr);
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void Sky_Init (void);
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void Sky_DrawSky (void);
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void Sky_NewMap (void);
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void Sky_LoadTexture (texture_t *mt);
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void Sky_LoadSkyBox (char *name);
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void TexMgr_RecalcWarpImageSize (void);
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#endif /* __GLQUAKE_H */
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