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14 * $Source: /cvs/cvsroot/d2x/3d/setup.c,v $
17 * $Date: 2001-10-31 03:54:51 $
19 * Setup for 3d library
21 * $Log: not supported by cvs2svn $
22 * Revision 1.2 2001/01/31 15:17:48 bradleyb
23 * Makefile and conf.h fixes
25 * Revision 1.1.1.1 2001/01/19 03:29:58 bradleyb
28 * Revision 1.3 1999/10/07 02:27:14 donut
29 * OGL includes to remove warnings
31 * Revision 1.2 1999/09/21 04:05:55 donut
32 * mostly complete OGL implementation (still needs bitmap handling (reticle), and door/fan textures are corrupt)
34 * Revision 1.1.1.1 1999/06/14 21:57:50 donut
35 * Import of d1x 1.37 source.
37 * Revision 1.4 1995/10/11 00:27:04 allender
38 * bash free_num_points to 0
40 * Revision 1.3 1995/09/13 11:31:58 allender
41 * calc for fCanv_w2 and fCanv_h2
43 * Revision 1.2 1995/06/25 21:57:57 allender
44 * *** empty log message ***
46 * Revision 1.1 1995/05/05 08:52:54 allender
49 * Revision 1.1 1995/04/17 03:59:01 matt
60 static char rcsid[] = "$Id: setup.c,v 1.3 2001-10-31 03:54:51 bradleyb Exp $";
76 //initialize the 3d system
79 // div0_init(DM_ERROR);
83 //close down the 3d system
84 void g3_close(void) {}
86 extern void init_interface_vars_to_assembler(void);
89 void g3_start_frame(void)
93 //set int w,h & fixed-point w,h/2
94 Canv_w2 = (Canvas_width = grd_curcanv->cv_bitmap.bm_w)<<15;
95 Canv_h2 = (Canvas_height = grd_curcanv->cv_bitmap.bm_h)<<15;
97 fCanv_w2 = f2fl((Canvas_width = grd_curcanv->cv_bitmap.bm_w)<<15);
98 fCanv_h2 = f2fl((Canvas_height = grd_curcanv->cv_bitmap.bm_h)<<15);
101 //compute aspect ratio for this canvas
103 s = fixmuldiv(grd_curscreen->sc_aspect,Canvas_height,Canvas_width);
105 if (s <= f1_0) { //scale x
107 Window_scale.y = f1_0;
110 Window_scale.y = fixdiv(f1_0,s);
111 Window_scale.x = f1_0;
114 Window_scale.z = f1_0; //always 1
119 Win32_start_frame ();
124 init_interface_vars_to_assembler(); //for the texture-mapper
130 //this doesn't do anything, but is here for completeness
131 void g3_end_frame(void)
140 // Assert(free_point_num==0);