140 lines
4.7 KiB
C
140 lines
4.7 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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* $Source: /cvs/cvsroot/d2x/texmap/texmapl.h,v $
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* $Revision: 1.1.1.1 $
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* $Author: bradleyb $
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* $Date: 2001-01-19 03:30:16 $
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*
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* Local include file for texture mapper library -- NOT to be included by users.
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*
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* $Log: not supported by cvs2svn $
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* Revision 1.1.1.1 1999/06/14 22:14:11 donut
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* Import of d1x 1.37 source.
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*
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* Revision 1.14 1995/02/20 18:23:02 john
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* Put all the externs in the assembly modules into tmap_inc.asm.
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* Also, moved all the C versions of the inner loops into a new module,
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* scanline.c.
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*
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* Revision 1.13 1995/02/20 17:09:16 john
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* Added code so that you can build the tmapper with no assembly!
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*
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* Revision 1.12 1994/11/28 13:34:34 mike
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* optimizations.
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*
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* Revision 1.11 1994/11/12 16:41:27 mike
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* function prototype.
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*
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* Revision 1.10 1994/05/24 17:30:00 mike
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* Prototype fix_recip, asm_tmap_scanline_lin_v.
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*
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* Revision 1.9 1994/04/21 15:04:26 mike
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* Add prototype for texmapl.h
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*
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* Revision 1.8 1994/03/31 08:34:53 mike
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* *** empty log message ***
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*
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* Revision 1.7 1994/03/22 20:37:04 mike
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* *** empty log message ***
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*
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* Revision 1.6 1994/03/14 15:43:03 mike
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* streamline code.
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*
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* Revision 1.5 1994/01/31 15:43:18 mike
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* window_height, asm_tmap_scanline_lin_sky_v
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*
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* Revision 1.4 1994/01/21 21:12:27 mike
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* Prototype asm_tmap_scanline_lin_sky
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*
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* Revision 1.3 1994/01/14 14:01:45 mike
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* Add a bunch of variables.
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*
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* Revision 1.2 1993/11/22 10:25:11 mike
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* *** empty log message ***
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*
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* Revision 1.1 1993/09/08 17:29:13 mike
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* Initial revision
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*
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*
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*/
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// Local include file for texture map library.
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extern int prevmod(int val,int modulus);
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extern int succmod(int val,int modulus);
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extern void texture_map_flat(g3ds_tmap *t,int color);
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extern fix compute_dx_dy(g3ds_tmap *t, int top_vertex,int bottom_vertex, fix recip_dy);
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extern void compute_y_bounds(g3ds_tmap *t, int *vlt, int *vlb, int *vrt, int *vrb,int *bottom_y_ind);
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extern void asm_tmap_scanline_lin_v(void);
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extern int fx_y,fx_xleft,fx_xright,per2_flag;
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extern unsigned char tmap_flat_color;
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extern unsigned char *pixptr;
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// texture mapper scanline renderers
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extern void asm_tmap_scanline_per(void);
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//extern void asm_tmap_scanline_per_doubled(void);
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extern void asm_tmap_scanline_lin(void);
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//extern void asm_tmap_scanline_lin_16(void);
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//extern void asm_tmap_scanline_per_16(void);
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extern void asm_tmap_scanline_lin_lighted(void);
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extern void asm_tmap_scanline_flat(void);
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extern void asm_tmap_scanline_shaded(void);
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//extern void asm_tmap_scanline_lin_lighted_k(void);
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//extern void asm_tmap_scanline_lin_rgb(void);
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//extern void asm_tmap_scanline_lin_rgb_16(void);
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//extern void asm_tmap_scanline_lin_rgb_16g(void);
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//extern void asm_tmap_scanline_lin_ld(void);
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//extern void asm_tmap_scanline_lin_sky(void);
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//extern void asm_tmap_scanline_lin_sky_v(void);
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extern fix compute_dx_dy_lin(g3ds_tmap *t,int vlt,int vlb, fix recip_dy);
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extern fix compute_dx_dy_lin(g3ds_tmap *t,int vrt,int vrb, fix recip_dy);
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extern fix compute_du_dy_lin(g3ds_tmap *t,int vlt,int vlb, fix recip_dy);
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extern fix compute_du_dy_lin(g3ds_tmap *t,int vrt,int vrb, fix recip_dy);
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extern fix compute_dv_dy_lin(g3ds_tmap *t,int vlt,int vlb, fix recip_dy);
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extern fix compute_dv_dy_lin(g3ds_tmap *t,int vrt,int vrb, fix recip_dy);
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// Interface variables to assembler code
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extern fix fx_u,fx_v,fx_z,fx_du_dx,fx_dv_dx,fx_dz_dx;
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extern fix fx_dl_dx,fx_l;
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extern int fx_r,fx_g,fx_b,fx_dr_dx,fx_dg_dx,fx_db_dx;
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extern unsigned char *pixptr;
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extern int bytes_per_row;
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extern unsigned char *write_buffer;
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extern int window_left;
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extern int window_right;
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extern int window_top;
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extern int window_bottom;
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extern int window_width;
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extern int window_height;
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extern int scan_doubling_flag;
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extern int linear_if_far_flag;
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extern int dither_intensity_lighting;
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extern int Interlacing_on;
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extern ubyte * tmap_flat_cthru_table;
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extern ubyte tmap_flat_color;
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extern ubyte tmap_flat_shade_value;
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extern fix fix_recip[];
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extern void init_interface_vars_to_assembler(void);
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extern int prevmod(int val,int modulus);
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