00001 #ifndef INCLUDED_TASK_DRAW_SPAN
00002 #define INCLUDED_TASK_DRAW_SPAN
00003
00004 #ifndef INCLUDED_SCHED_TASK
00005 # include "SchedTask.h"
00006 #endif
00007
00008 #ifndef INCLUDED_TAPESTRY
00009 # include "Tapestry.h"
00010 #endif
00011
00012 #ifndef INCLUDED_SPAN_PACK
00013 # include "SpanPack.h"
00014 #endif
00015
00016 #ifndef INCLUDED_TEXTURE_HASH
00017 # include "TileHash.h"
00018 #endif
00019
00020 class DrawSpan : public SchedTask {
00021 public:
00022 SchedConstructor(DrawSpan);
00023
00024 int *linebuf;
00025 float *zRow;
00026 TileHashPtr hash;
00027 TileListPtr tileList;
00028 int doneWrite;
00029
00030 ~DrawSpan(void);
00031
00032 int run(void *rbuf, void *wbuf);
00033
00034 int* linebuf_init(int width, int height, int rgb);
00035 float* zRow_init(int width, int height);
00036 void set_rgb(uint32 *addr, int wait_tag);
00037 void set_rgbs(uint32 *addr, uint32 *max_addr, int wait_tag);
00038 uint32 get_rgb(int tx, int ty, uint32 *addr);
00039 TilePtr isAvailableTile(uint32 *addr);
00040 uint32* getTile(int tx, int ty, int tw, uint32 *tex_addr_top);
00041 int getTexBlock(int tx, int ty, int twidth);
00042 void writebuffer(unsigned int display, int width, int height,
00043 int screen_width);
00044 void updateBuffer(float zpos, int rangex, int x, int y,
00045 int tex_x, int tex_y, uint32 *tex_addr);
00046
00047
00048 void reboot(SpanPackPtr spack, int cur_span_x);
00049
00050 int drawDot1(SpanPtr span, int startx, int endx, int wait_tag);
00051 void drawDot2(SpanPtr span, int startx, int endx, int js, int wait_tag);
00052 int drawLine1(SpanPtr span, int startx, int endx, int wait_tag);
00053 void drawLine2(SpanPtr span, int startx, int endx, int js, int wait_tag);
00054 };
00055
00056 typedef struct {
00057 uint32 display;
00058 int screen_width;
00059 int rangex_start;
00060 int rangex_end;
00061 int rangey;
00062 } DrawSpanArg, *DrawSpanArgPtr;
00063
00064 #endif
