#ifndef INCLUDED_TASK_DRAW_SPAN
#define INCLUDED_TASK_DRAW_SPAN

#include "SchedTask.h"
#include "Tapestry.h"
#include "SpanPack.h"

typedef struct g {
    int *linebuf;
    float *zRow;
    TileListPtr tileList;
    int doneWrite;
} G, *Gptr ;


static int run(SchedTask *smanager, void *rbuf, void *wbuf);

static    int* linebuf_init(SchedTask *s, int width, int height, int rgb);
static    float* zRow_init(SchedTask *s, int width, int height);
static    uint32 get_rgb(int tx, int ty, TilePtr tile);
static    memaddr getTile(int tx, int ty, int tw, memaddr tex_addr_top);
static    int getTexBlock(int tx, int ty, int twidth);
static    void writebuffer(SchedTask *s, Gptr g, unsigned int display, int width, int height,
		     int screen_width);
static    void updateBuffer(Gptr g, float zpos, int rangex, int x, int y,
		      int tex_x, int tex_y, TilePtr tile);

#if 0
static    void reboot(SpanPackPtr spack, int cur_span_x);
#endif

static    int drawDot1(SchedTask *s, Gptr g, SpanPtr span, int startx, int endx, int wait_tag);
//static    void drawDot2(SpanPtr span, int startx, int endx, int js, int wait_tag);
static    int drawLine1(SchedTask *s, Gptr g, SpanPtr span, int startx, int endx, int wait_tag);
//static    void drawLine2(SpanPtr span, int startx, int endx, int js, int wait_tag);

typedef struct {
    uint32 display;
    int screen_width;
    int rangex_start;
    int rangex_end;
    int rangey;
} DrawSpanArg, *DrawSpanArgPtr;

#endif