[AD] scanline extension

[tom st denis <tomstdenis@xxxxxxxxxx>]

ok I gave it more thought... lets use this...

typedef struct {
   BITMAP *dest,    /* destination bitmap */
          *txt;     /* texture map if any */
   int    x1, x2,   /* x start and end coords */
          y,        /* line to draw on */
          u1, u2,   /* texture x start/end */
          v1, v2,   /* texture y start/end */
          c1, c2;   /* color start/end */
   float  z1,z2;    /* scanline start/end Z */
} scanlineinfo;

void draw_scanline(scanlineinfo *sli);

Then you tell allegro 

add_scanline_drawer(&draw_scanline, MYTYPE)

Where MYTYPE is an integer.

Tom

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