77 lines
3.5 KiB
C
77 lines
3.5 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 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#if defined(POLY_ACC)
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#if !defined(POLY_ACC_H)
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#define POLY_ACC_H
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//
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// A simplified interface to a variety of 3D cards.
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//
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#define SM_640x480x15xPA 23 // 640x480 15 bits per pixel, POLY ACC
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#define BM_LINEAR15 5 // 1555 format, may be able to replace with BM_RGB15. John indicated that
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// BM_RGB15 wasn't finished so I made a new type.
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#define PA_BPP 2 // bytes per pixel.
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extern unsigned short pa_clut[256]; // translate from 8 bit pixels to 15 bit pixels.
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extern int pa_filter_mode; // For Virge filtering control, set in Custom Detail Level menu.
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int pa_init(void); // init library.
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void pa_reset(); // cleans up library.
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int pa_detect(int mode); // detect card and whether mode is supported.
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void pa_set_mode(int mode); // sets display mode if valid PA mode.
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void pa_update_clut( // 8 bit to 15 bit table update.
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unsigned char *pal,
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int start, int count,
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int type); // type 0==0..63, 1==0..255.
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void pa_restore_clut(void);
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void pa_save_clut(void);
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void pa_step_up(int r, int g, int b);
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void *pa_get_buffer_address(int which); // returns a pointer to the front(0), or back(1) buffer.
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// NOTE: this only makes sense until the next page flip.
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void pa_swap_buffer(void); // performs the page flip.
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void pa_ibitblt(void *src, void *dst, void *mask);
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void pa_clear_buffer(int buffer, ushort color);
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void pa_set_3d_offset(int x, int y); // where on screen the triangles should be drawn.
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void pa_draw_tmap(void /*$$grs_bitmap*/ * srcb, void /*$$g3ds_tmap*/ * tmap, int transparency_on, int lighting_on,
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int perspective, fix min_z);
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void pa_draw_flat(void /*$$g3ds_tmap*/ * tmap, int color, int alpha);
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void pa_blit(grs_bitmap *dst, int dx, int dy, grs_bitmap *src, int sx, int sy, int w, int h);
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void pa_blit_scale(grs_bitmap *source_bmp, grs_bitmap *dest_bmp,
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int x0, int y0, int x1, int y1,
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fix u0, fix v0, fix u1, fix v1, int orient
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);
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int pa_blit_lit(grs_bitmap *dst, int dx, int dy, grs_bitmap *src, int sx, int sy, int w, int h);
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int pa_rect(int left,int top,int right,int bot);
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void pa_init_cache(void);
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void pa_cache_hit(int slot);
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void pa_cache_miss(int slot, grs_bitmap * bmp);
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int pa_idle(void); // allows program to poll whether the chip is busy.
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void pa_sync(void); // waits for current async op to complete.
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void pa_flush(void); // flushes dma and waits for everything to complete.
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void pa_about_to_flip(); // used in Rendition version, but not in S3 version
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void pa_set_write_mode (int mode); // used by 3Dfx
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void pa_set_frontbuffer_current(void); // used by 3Dfx
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#endif
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#endif
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