aintern.h

allego 窗口系统源码

#endif


/* color conversion routines */
typedef struct GRAPHICS_RECT {
   int width;
   int height;
   int pitch;
   void *data;
} GRAPHICS_RECT;

typedef void (COLORCONV_BLITTER_FUNC)(GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect);

AL_FUNC(COLORCONV_BLITTER_FUNC *, _get_colorconv_blitter, (int from_depth, int to_depth));
AL_FUNC(void, _release_colorconv_blitter, (COLORCONV_BLITTER_FUNC *blitter));
AL_FUNC(void, _set_colorconv_palette, (AL_CONST struct RGB *p, int from, int to));
AL_FUNC(unsigned char *, _get_colorconv_map, (void));

#ifdef ALLEGRO_COLOR8

AL_FUNC(void, _colorconv_blit_8_to_8, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_8_to_15, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_8_to_16, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_8_to_24, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_8_to_32, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));

#endif

#ifdef ALLEGRO_COLOR16

AL_FUNC(void, _colorconv_blit_15_to_8, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_15_to_16, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_15_to_24, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_15_to_32, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));

AL_FUNC(void, _colorconv_blit_16_to_8, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_16_to_15, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_16_to_24, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_16_to_32, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));

#endif

#ifdef ALLEGRO_COLOR24

AL_FUNC(void, _colorconv_blit_24_to_8, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_24_to_15, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_24_to_16, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_24_to_32, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));

#endif

#ifdef ALLEGRO_COLOR32

AL_FUNC(void, _colorconv_blit_32_to_8, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_32_to_15, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_32_to_16, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorconv_blit_32_to_24, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));

#endif


/* color copy routines */
#ifndef ALLEGRO_NO_COLORCOPY

#ifdef ALLEGRO_COLOR16
AL_FUNC(void, _colorcopy_blit_15_to_15, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
AL_FUNC(void, _colorcopy_blit_16_to_16, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
#endif

#ifdef ALLEGRO_COLOR24
AL_FUNC(void, _colorcopy_blit_24_to_24, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
#endif

#ifdef ALLEGRO_COLOR32
AL_FUNC(void, _colorcopy_blit_32_to_32, (GRAPHICS_RECT *src_rect, GRAPHICS_RECT *dest_rect));
#endif

#endif


/* generic color conversion blitter */
AL_FUNC(void, _blit_between_formats, (BITMAP *src, BITMAP *dest, int s_x, int s_y, int d_x, int d_y, int w, int h));


/* asm helper for stretch_blit() */
#ifndef SCAN_EXPORT
AL_FUNC(void, _do_stretch, (BITMAP *source, BITMAP *dest, void *drawer, int sx, fixed sy, fixed syd, int dx, int dy, int dh, int color_depth));
#endif


/* lower level functions for rotation */
AL_FUNC(void, _parallelogram_map, (BITMAP *bmp, BITMAP *spr, fixed xs[4], fixed ys[4], void (*draw_scanline)(BITMAP *bmp, BITMAP *spr, fixed l_bmp_x, int bmp_y, fixed r_bmp_x, fixed l_spr_x, fixed l_spr_y, fixed spr_dx, fixed spr_dy), int sub_pixel_accuracy));
AL_FUNC(void, _parallelogram_map_standard, (BITMAP *bmp, BITMAP *sprite, fixed xs[4], fixed ys[4]));
AL_FUNC(void, _rotate_scale_flip_coordinates, (fixed w, fixed h, fixed x, fixed y, fixed cx, fixed cy, fixed angle, fixed scale_x, fixed scale_y, int h_flip, int v_flip, fixed xs[4], fixed ys[4]));
AL_FUNC(void, _pivot_scaled_sprite_flip, (struct BITMAP *bmp, struct BITMAP *sprite, fixed x, fixed y, fixed cx, fixed cy, fixed angle, fixed scale, int v_flip));


/* number of fractional bits used by the polygon rasteriser */
#define POLYGON_FIX_SHIFT     18


/* bitfield specifying which polygon attributes need interpolating */
#define INTERP_FLAT           1      /* no interpolation */
#define INTERP_1COL           2      /* gcol or alpha */
#define INTERP_3COL           4      /* grgb */
#define INTERP_FIX_UV         8      /* atex */
#define INTERP_Z              16     /* always in scene3d */
#define INTERP_FLOAT_UV       32     /* ptex */
#define OPT_FLOAT_UV_TO_FIX   64     /* translate ptex to atex */
#define COLOR_TO_RGB          128    /* grgb to gcol for truecolor */
#define INTERP_ZBUF           256    /* z-buffered */
#define INTERP_THRU           512    /* any kind of transparent */
#define INTERP_NOSOLID        1024   /* non-solid modes for 8-bit flat */
#define INTERP_BLEND          2048   /* lit for truecolor */
#define INTERP_TRANS          4096   /* trans for truecolor */


/* information for polygon scanline fillers */
typedef struct POLYGON_SEGMENT
{
   fixed u, v, du, dv;              /* fixed point u/v coordinates */
   fixed c, dc;                     /* single color gouraud shade values */
   fixed r, g, b, dr, dg, db;       /* RGB gouraud shade values */
   float z, dz;                     /* polygon depth (1/z) */
   float fu, fv, dfu, dfv;          /* floating point u/v coordinates */
   unsigned char *texture;          /* the texture map */
   int umask, vmask, vshift;        /* texture map size information */
   int seg;                         /* destination bitmap selector */
   unsigned long zbuf_addr;	    /* Z-buffer address */
   unsigned long read_addr;	    /* reading address for transparency modes */
} POLYGON_SEGMENT;


/* prototype for the scanline filler functions */
typedef AL_METHOD(void, SCANLINE_FILLER, (unsigned long addr, int w, POLYGON_SEGMENT *info));


/* an active polygon edge */
typedef struct POLYGON_EDGE 
{
   int top;                         /* top y position */
   int bottom;                      /* bottom y position */
   fixed x, dx;                     /* fixed point x position and gradient */
   fixed w;                         /* width of line segment */
   POLYGON_SEGMENT dat;             /* texture/gouraud information */
   struct POLYGON_EDGE *prev;       /* doubly linked list */
   struct POLYGON_EDGE *next;
   struct POLYGON_INFO *poly;	    /* father polygon */
} POLYGON_EDGE;


typedef struct POLYGON_INFO         /* a polygon waiting rendering */
{
   struct POLYGON_INFO *next, *prev;/* double linked list */
   int inside;                      /* flag for "scanlining" */
   int flags;                       /* INTERP_* flags */
   int color;                       /* vtx[0]->c */
   float a, b, c;                   /* plane's coefficients -a/d, -b/d, -c/d */
   int dmode;                       /* drawing mode */
   BITMAP *dpat;                    /* drawing pattern */
   int xanchor, yanchor;            /* for dpat */
   int alpha;                       /* blender alpha */
   int b15, b16, b24, b32;          /* blender colors */
   COLOR_MAP *cmap;                 /* trans color map */
   SCANLINE_FILLER drawer;	    /* scanline drawing functions */
   SCANLINE_FILLER alt_drawer; 
   POLYGON_EDGE *left_edge;	    /* true edges used in interpolation */
   POLYGON_EDGE *right_edge;
   POLYGON_SEGMENT info;            /* base information for scanline functions */
} POLYGON_INFO;


/* global variable for z-buffer */
AL_VAR(BITMAP *, _zbuffer);


/* polygon helper functions */
AL_VAR(SCANLINE_FILLER, _optim_alternative_drawer);
AL_FUNC(POLYGON_EDGE *, _add_edge, (POLYGON_EDGE *list, POLYGON_EDGE *edge, int sort_by_x));
AL_FUNC(POLYGON_EDGE *, _remove_edge, (POLYGON_EDGE *list, POLYGON_EDGE *edge));
AL_FUNC(int, _fill_3d_edge_structure, (POLYGON_EDGE *edge, AL_CONST V3D *v1, AL_CONST V3D *v2, int flags, BITMAP *bmp));
AL_FUNC(int, _fill_3d_edge_structure_f, (POLYGON_EDGE *edge, AL_CONST V3D_f *v1, AL_CONST V3D_f *v2, int flags, BITMAP *bmp));
AL_FUNC(SCANLINE_FILLER, _get_scanline_filler, (int type, int *flags, POLYGON_SEGMENT *info, BITMAP *texture, BITMAP *bmp));
AL_FUNC(void, _clip_polygon_segment, (POLYGON_SEGMENT *info, fixed gap, int flags));
AL_FUNC(void, _clip_polygon_segment_f, (POLYGON_SEGMENT *info, int gap, int flags));


/* polygon scanline filler functions */
AL_FUNC(void, _poly_scanline_dummy, (unsigned long addr, int w, POLYGON_SEGMENT *info));

#ifdef ALLEGRO_COLOR8

AL_FUNC(void, _poly_scanline_gcol8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_grgb8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));

#ifndef SCAN_EXPORT
AL_FUNC(void, _poly_scanline_grgb8x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
#endif

AL_FUNC(void, _poly_zbuf_flat8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_gcol8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_grgb8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_mask8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_mask8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_mask_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_mask_lit8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_mask_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_mask_trans8, (unsigned long addr, int w, POLYGON_SEGMENT *info));

#endif

#ifdef ALLEGRO_COLOR16

AL_FUNC(void, _poly_scanline_grgb15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));

#ifndef SCAN_EXPORT
AL_FUNC(void, _poly_scanline_grgb15x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_lit15x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_lit15x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_lit15x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit15x, (unsigned long addr, int w, POLYGON_SEGMENT *info));

AL_FUNC(void, _poly_scanline_ptex_lit15d, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit15d, (unsigned long addr, int w, POLYGON_SEGMENT *info));
#endif

AL_FUNC(void, _poly_zbuf_grgb15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_mask15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_mask15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_mask_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_mask_lit15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_atex_mask_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_zbuf_ptex_mask_trans15, (unsigned long addr, int w, POLYGON_SEGMENT *info));

AL_FUNC(void, _poly_scanline_grgb16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_lit16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_lit16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_lit16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_trans16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_trans16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_trans16, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_trans16, (unsigned long addr, int w, POLYGON_SEGMENT *info));

#ifndef SCAN_EXPORT
AL_FUNC(void, _poly_scanline_grgb16x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_lit16x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_lit16x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_atex_mask_lit16x, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit16x, (unsigned long addr, int w, POLYGON_SEGMENT *info));

AL_FUNC(void, _poly_scanline_ptex_lit16d, (unsigned long addr, int w, POLYGON_SEGMENT *info));
AL_FUNC(void, _poly_scanline_ptex_mask_lit16d, (unsigned long addr, int w, POLYGON_SEGMENT *info));