90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/* $Id: texmapl.h,v 1.5 2004-08-28 23:17:45 schaffner Exp $ */
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/*
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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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*
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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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*/
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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_pent_tmap_scanline_per(void);
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extern void asm_ppro_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 int prevmod(int val,int modulus);
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