st_cb_bufferobjects.h

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 * 
 * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas.
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#ifndef ST_CB_BUFFEROBJECTS_H
#define ST_CB_BUFFEROBJECTS_H

struct st_context;
struct gl_buffer_object;
struct pipe_buffer;

struct st_buffer_object
{
   struct gl_buffer_object Base;
   struct pipe_buffer *buffer;  
   GLsizeiptrARB size;
};


/* Are the obj->Name tests necessary?  Unfortunately yes, mesa
 * allocates a couple of gl_buffer_object structs statically, and the
 * Name == 0 test is the only way to identify them and avoid casting
 * them erroneously to our structs.
 */
static INLINE struct st_buffer_object *
st_buffer_object(struct gl_buffer_object *obj)
{
   if (obj->Name)
      return (struct st_buffer_object *) obj;
   else
      return NULL;
}


extern void
st_init_bufferobject_functions(struct dd_function_table *functions);


#endif

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