sp_tile_cache.h

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/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
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#ifndef SP_TILE_CACHE_H
#define SP_TILE_CACHE_H

#define TILE_CLEAR_OPTIMIZATION 1


#include "pipe/p_compiler.h"


struct softpipe_context;
struct softpipe_tile_cache;


#define TILE_SIZE 64



struct softpipe_cached_tile
{
   int x, y;           
   int z, face, level; 
   union {
      float color[TILE_SIZE][TILE_SIZE][4];
      uint color32[TILE_SIZE][TILE_SIZE];
      uint depth32[TILE_SIZE][TILE_SIZE];
      ushort depth16[TILE_SIZE][TILE_SIZE];
      ubyte stencil8[TILE_SIZE][TILE_SIZE];
      ubyte any[1];
   } data;
};


extern struct softpipe_tile_cache *
sp_create_tile_cache( struct pipe_screen *screen );

extern void
sp_destroy_tile_cache(struct softpipe_tile_cache *tc);

extern void
sp_tile_cache_set_surface(struct softpipe_tile_cache *tc,
                          struct pipe_surface *sps);

extern struct pipe_surface *
sp_tile_cache_get_surface(struct softpipe_tile_cache *tc);

extern void
sp_tile_cache_map_surfaces(struct softpipe_tile_cache *tc);

extern void
sp_tile_cache_unmap_surfaces(struct softpipe_tile_cache *tc);

extern void
sp_tile_cache_set_texture(struct pipe_context *pipe,
                          struct softpipe_tile_cache *tc,
                          struct pipe_texture *texture);

extern void
sp_flush_tile_cache(struct softpipe_context *softpipe,
                    struct softpipe_tile_cache *tc);

extern void
sp_tile_cache_clear(struct softpipe_tile_cache *tc, uint clearValue);

extern struct softpipe_cached_tile *
sp_get_cached_tile(struct softpipe_context *softpipe,
                   struct softpipe_tile_cache *tc, int x, int y);

extern const struct softpipe_cached_tile *
sp_get_cached_tile_tex(struct pipe_context *pipe,
                       struct softpipe_tile_cache *tc, int x, int y, int z,
                       int face, int level);


#endif /* SP_TILE_CACHE_H */

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