/*
* Copyright 1993, 1995, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
*
* This source code ("Source Code") was originally derived from a
* code base owned by Silicon Graphics, Inc. ("SGI")
*
* LICENSE: SGI grants the user ("Licensee") permission to reproduce,
* distribute, and create derivative works from this Source Code,
* provided that: (1) the user reproduces this entire notice within
* both source and binary format redistributions and any accompanying
* materials such as documentation in printed or electronic format;
* (2) the Source Code is not to be used, or ported or modified for
* use, except in conjunction with OpenGL Performer; and (3) the
* names of Silicon Graphics, Inc. and SGI may not be used in any
* advertising or publicity relating to the Source Code without the
* prior written permission of SGI. No further license or permission
* may be inferred or deemed or construed to exist with regard to the
* Source Code or the code base of which it forms a part. All rights
* not expressly granted are reserved.
*
* This Source Code is provided to Licensee AS IS, without any
* warranty of any kind, either express, implied, or statutory,
* including, but not limited to, any warranty that the Source Code
* will conform to specifications, any implied warranties of
* merchantability, fitness for a particular purpose, and freedom
* from infringement, and any warranty that the documentation will
* conform to the program, or any warranty that the Source Code will
* be error free.
*
* IN NO EVENT WILL SGI BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT
* LIMITED TO DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES,
* ARISING OUT OF, RESULTING FROM, OR IN ANY WAY CONNECTED WITH THE
* SOURCE CODE, WHETHER OR NOT BASED UPON WARRANTY, CONTRACT, TORT OR
* OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM,
* OR AROSE OUT OF USE OR RESULTS FROM USE OF, OR LACK OF ABILITY TO
* USE, THE SOURCE CODE.
*
* Contact information: Silicon Graphics, Inc.,
* 1600 Amphitheatre Pkwy, Mountain View, CA 94043,
* or: http://www.sgi.com
*/
/*
* file: perfly.h
* --------------
* $Revision: 1.1 $
* $Date: 2000/11/21 21:39:43 $
*/
#ifndef __PERFLY_H__
#define __PERFLY_H__
/******************************************************************************
* Constants
*******************************************************************************/
#include <Performer/pfui.h>
#include "generic.h"
#include "env.h"
#define UPDATE_MODES 0x1
#define REDRAW_WINDOW 0x2
/* resetPosition indices */
#define POS_NORESET -2
#define POS_CENTER -1
#define POS_ORIG 0
/* alternate motion models */
#define PFITDF_TETHER 4 /* != PFITDF_TRACKBALL, PFITD_DRIVE, PFITD_FLY */
#define DEVLIST_LENGTH 9
#define BOUND 1000
/* Window visual selection indices */
#define PERFLY_WIN_NOMS 0
/* limits and sizes */
#define MAX_LAMPS 8
#define MAX_LOCS 20
#define MAX_VEHICLES 50
#define MAX_TETHERVIEWS 20
#define LIGHTING_OFF 0
#define LIGHTING_EYE 1
#define LIGHTING_SUN 2
#define LIGHTING_COUNT 3
#define DLIST_OFF 0
#define DLIST_GEOSET 1
#define DLIST_SCENE 2
#define DLIST_COMPILE_GEOSET 3
/* Dynamic Resolution controls */
#define DVR_OFF PFPVC_DVR_OFF
#define DVR_MANUAL PFPVC_DVR_MANUAL
#define DVR_AUTO PFPVC_DVR_AUTO
/*
* Structure for data shared between processes.
* Note that booleans in this structure cannot be declared as int :1,
* since that will mess up concurrent accesses.
*/
typedef struct
{
/* required by common/main.c */
pfChannel *masterChan; /* Main channel */
int phase; /* phase: FREE, FLOAT, or LOCK */
float frameRate; /* target frame rate */
uint procLock; /* flags to lock down processors */
/* required by common/generic.c */
pfPipeWindow *pw[MAX_PIPES]; /* one pfPipeWindow per pfPipe */
pfChannel *chan[MAX_CHANS]; /* array of all of the channels */
int numChans; /* number of channels */
int MCO; /* align to hw video channels */
int input; /* input type: GL or X */
int gui; /* ui mode flag */
int rtView; /* update view at last possible min */
int exitFlag; /* exit application flag */
int updateChannels; /* update channel configuration */
float near; /* near clipping plane */
float far; /* far clipping plane */
float sceneSize; /* maximum scene bound */
int stats; /* diag graph on/ff flag */
pfList *texList; /* texture list to download */
/* required by common/env.c */
pfEarthSky *eSky; /* current EarthSky model */
int earthSkyMode; /* Earth-Sky mode */
pfVec4 earthSkyColor; /* Earth-Sky color */
pfVec4 scribeColor; /* scribe-mode color */
int fog; /* fog on/off */
float farFogRange; /* far fog range */
float nearFogRange; /* near fog range */
pfDCS *sunDCS; /* position of the sun */
pfLightSource *sun; /* sun light source */
float timeOfDay; /* time of day */
/* used for libpfutil input handling */
pfuWidget *guiWidgets[PFUGUI_MAXWIDGETS];
int guiFormat; /* GUI vertical, or horizontal */
pfuGLXWindow xWinInfo; /* GLX window info */
pfuMouse mouse; /* mouse structure */
pfuEventStream events; /* event structure */
pfiTDFXformer *xformer; /* interactive movement model */
int xformerModel; /* Fly, Drive, or Trackball */
/* used in perfly to define light sources */
pfVec3 lampXYZ[MAX_LAMPS]; /* light source direction */
pfVec3 lampRGB[MAX_LAMPS]; /* light source color */
int lamps; /* number of light sources */
/* "OpenGL Performer" overlay-plane text */
char welcomeText[256];
char overlayText[256];
/* Viewpoint and modes control */
pfScene *scene; /* visual database */
pfDCS *sceneDCS; /* DCS for trackball interface */
pfGroup *sceneGroup; /* root of all loaded files */
const GLubyte *glExtString; /* OpenGL extensions string */
int haveMultisample; /* does window support multisample */
int haveTagClear; /* does window support tag clear */
pfDCS *vehicleDCSs[MAX_VEHICLES];/* vehicles the eye can follow */
char vehicleNames[MAX_VEHICLES][256]; /* names of vehicles */
int numVehicles; /* number of vehicles */
int curVehicle; /* focus vehicle */
pfMatrix tetherViews[MAX_TETHERVIEWS]; /* above, inside, behind, etc. */
char tetherViewNames[MAX_TETHERVIEWS][256];/* tetherViews names*/
int numTetherViews; /* number of tether views */
int curTetherView; /* which tether view currently in use */
pfMatrix viewMat;
pfCoord viewCoord; /* current view position, direction */
pfCoord initViews[MAX_LOCS];/* initial view positions, directions */
char initViewNames[MAX_LOCS][256]; /* names of initViews */
int numInitViews; /* number of initViews */
int resetPosition; /* flag for reset position */
int drawFlags[MAX_PIPES];/* Flags for draw process(es) */
int redrawOverlay; /* signal to redraw overlay */
int stress; /* Enable/disable stress */
int stressMax; /* stress bound */
float lowLoad; /* stress parameters- low bound */
float highLoad; /* high bound */
float stressScale; /* stress scale amount */
float LODscale; /* LOD scale value */
float fadeRange; /* LOD fade range- RE Graphics */
int fade; /* Fade on/off - RE Graphics */
int collideMode; /* collision & terrain following flag*/
int statsEnable; /* diag graph mode flag */
int printStats; /* flag to print stats to stderr */
int exitCount; /* exit after this many frames */
int drawStyle; /* draw style */
int aa; /* anti-alias flag */
int backface; /* backface culling flag */
int lighting; /* lighting mode */
int texture; /* texture enable/disable */
unsigned char gridify; /* whether to gridify the clip texture*/
unsigned char gridified; /* whether clip texture is gridified */
pfMPClipTexture*mp_clip_texture; /* the mpcliptexture sliders apply to */
pfClipTexture* clip_texture; /* the clip texture sliders apply to */
int clip_texture_i; /* index of that texture in the scene */
pfList *clipTextures;
int numClipTextures; /* total cliptextures that we know about */
/* cliptexture select slider strs and values */
pfuGUIString *clipTexStrs;
int mip_magfilter;
int mip_minfilter;
float mip_max_lod;
float mip_min_lod;
int mip_auto_min_lod;
float lod_bias; /* add to both S and T bias */
float lod_biasS;
float lod_biasT;
float lod_biasR;
float clip_invalid_border;
int clip_lod_offset;
int clip_effective_levels;
float clip_dtr_time;
int clip_dtrmode;
int clip_centering;
int clip_visualize;
int clip_params_dirty; /* params being sent from gui to draw */
int cullMode; /* culling mode */
float explode; /* explode files */
int snapImage; /* save screen to file */
int tree; /* flag for tree display */
pfVec3 panScale; /* pan in x,y and scale for tree display*/
float cullDelta; /* How much to shrink cull vol */
pfGeode *cullVol; /* Geode shows culling volume */
pfDCS *cullVolDCS; /* Position geode along view */
pfVec4 *cullVolColors; /* Color of geode showing culling vol */
int rotateCenter; /* 0=origin, 1=center */
int iterate; /* number of times to load files */
int optimizeGStates; /* Optimize All gstates into a scene gstate */
int optimizeTree; /* Flatten and clean tree of empty nodes */
int objFontType;
char* objFontName;
int combineBillboards; /* maximum */
int visualIDs[MAX_PIPES]; /* GLX Visual IDs */
int drawMode; /* immediate mode or display list style */
int doDVR, showDVR;
int winXSize, winYSize; /* window size for master pipe */
int vChanXSize, vChanYSize; /* master channel full size */
int dvrXSize, dvrYSize; /* dvr control for master channel */
float fov[3]; /* fovH, fovV, and channel offset */
int firstPipeDraw[MAX_PIPES]; /* mark first draw on pipe */
int doDemoPath;
int recordPath;
int demoMode;
int democnt;
pfVec3 *demoxyz, *demohpr;
char demoPathFileName[PF_MAXSTRING];
int startCallig; /* start calligraphics (-U option) */
float calligDefocus; /* defocus value for calligraphic lp */
float rasterDefocus; /* defocus for the raster display */
int calligFilterSizeX; /* Horizontal size of the debunching filter */
int calligFilterSizeY; /* Vertical size of the debunching filter */
float calligZFootPrint; /* size of the ms coverage for each lp */
int calligDirty; /* The user asked for changes in the GUI */
int calligBoard; /* A board has been detected */
} SharedViewState;
/* XXX define when configuration states are implemented */
/* #define _PF_MULTI_VIEWSTATE */
#ifdef _PF_MULTI_VIEWSTATE
#define MAXVIEWSTATES 50
typedef struct SharedViewStates
{
int nstates;
SharedViewState **states;
char (*statenames)[256];
} SharedViewStates;
extern SharedViewStates *AllViewStates; /* alternate selectable viewstates */
#endif
/* Structures visible to all processes
* - must be initialized before pfConfig()
*/
extern SharedViewState *ViewState; /* holds data shared between processes */
extern int PackedAttrFormat;
/*
* Function prototypes - called by common
*/
/* Application process */
extern int initSceneGraph(pfScene *scene);
extern void initViewState(void);
extern void initConfigFile(const char *file);
extern void initConfig(void);
extern int loadConfigFile(const char *file);
extern void initView(pfScene *scene);
extern void initChannel(pfChannel *chan);
extern void localPreFrame(pfChannel *chan);
extern void updateView(pfChannel *chan);
extern void resetPosition(int pos);
extern void initXformer(void);
extern void updateSim(pfChannel *chan);
extern void xformerModel(int mode, int collideMode);
extern void drawModesChanged(void);
extern void setClipTexture_i(pfScene *scene, int i);
extern void preApp(pfChannel *chan, void *data);
extern void postApp(pfChannel *chan, void *data);
/* Cull process */
extern void preCull(pfChannel *chan, void *data);
extern void postCull(pfChannel *chan, void *data);
/* Lpoint process */
extern void preLpoint(pfChannel *chan, void *data);
extern void postLpoint(pfChannel *chan, void *data);
/* Draw process */
extern void initPipe(pfPipeWindow *pw);
extern void localPreDraw(pfChannel *chan, void *data);
extern void localPostDraw(pfChannel *chan, void *data);
#endif
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