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- /*
- * Copyright 1991, 1992, 1993, 1994, Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
- * the contents of this file may not be disclosed to third parties, copied or
- * duplicated in any form, in whole or in part, without the prior written
- * permission of Silicon Graphics, Inc.
- *
- * RESTRICTED RIGHTS LEGEND:
- * Use, duplication or disclosure by the Government is subject to restrictions
- * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
- * and Computer Software clause at DFARS 252.227-7013, and/or in similar or
- * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
- * rights reserved under the Copyright Laws of the United States.
- */
- /*
- shadows.h - Defines for the VGX vshadow program
-
- Tim Heidmann, Silicon Graphics
- Last Edit June 28, 1991
- */
-
- #ifndef _shadows_
- #define _shadows_
-
- #include <gl.h>
- #include "glo_obj.h"
-
- /* Edge list management data structures */
- typedef struct {
- Boolean lit; float n[3];
- } FaceRec, *FacePtr;
- typedef struct {
- Boolean silhouetteFlag, markedFlag;
- struct {
- int face, vertex, nextEdge, nextSide;
- } e[2];
- } EdgeRec, *EdgePtr;
- typedef struct {
- int nFaces, nEdges;
- FaceRec *faces;
- EdgeRec *edges;
- } PolyDataRec, *PolyDataPtr;
-
- extern float obj_posn[][3];
- extern float obj_scale[];
- extern Matrix obj_rotMatrix[];
- extern int obj_litMaterial[];
- extern int obj_shadowMaterial[];
- extern int obj_highMaterial[];
- extern int obj_texture[];
- extern glo_ObjPtr obj_drawlist[];
- extern PolyDataPtr obj_data[];
- extern int nObjects;
-
- extern float light_posn[][3];
- extern float jitter_light_posn[][3];
- extern float jitter_light_range[][3];
- extern int nLights;
-
- extern float eyex[];
- extern float gazex[];
- extern Matrix scene_rotMatrix;
- extern float viewWindow[];
-
- extern float tev_val[], tex_val[];
- extern char *sceneFileName;
- extern char *imageFileName;
-
- extern Matrix IdentMat;
- #endif
-