static void
mm_buffer_fence(struct pb_buffer *buf, 
                struct pipe_fence_handle *fence)
{
   struct mm_buffer *mm_buf = mm_buffer(buf);
   struct mm_pb_manager *mm = mm_buf->mgr;
   pb_fence(mm->buffer, fence);
}
static enum pipe_error 
mm_buffer_validate(struct pb_buffer *buf, 
                   struct pb_validate *vl,
                   unsigned flags)
{
   struct mm_buffer *mm_buf = mm_buffer(buf);
   struct mm_pb_manager *mm = mm_buf->mgr;
   return pb_validate(mm->buffer, vl, flags);
}
Beispiel #3
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static void *
mm_buffer_map(struct pb_buffer *buf,
              unsigned flags)
{
   struct mm_buffer *mm_buf = mm_buffer(buf);
   struct mm_pb_manager *mm = mm_buf->mgr;

   return (unsigned char *) mm->map + mm_buf->block->ofs;
}
static void
mm_buffer_get_base_buffer(struct pb_buffer *buf,
                          struct pb_buffer **base_buf,
                          pb_size *offset)
{
   struct mm_buffer *mm_buf = mm_buffer(buf);
   struct mm_pb_manager *mm = mm_buf->mgr;
   pb_get_base_buffer(mm->buffer, base_buf, offset);
   *offset += mm_buf->block->ofs;
}
static void *
mm_buffer_map(struct pb_buffer *buf,
              unsigned flags,
              void *flush_ctx)
{
   struct mm_buffer *mm_buf = mm_buffer(buf);
   struct mm_pb_manager *mm = mm_buf->mgr;

   /* XXX: it will be necessary to remap here to propagate flush_ctx */

   return (unsigned char *) mm->map + mm_buf->block->ofs;
}
static void
mm_buffer_destroy(struct pb_buffer *buf)
{
   struct mm_buffer *mm_buf = mm_buffer(buf);
   struct mm_pb_manager *mm = mm_buf->mgr;
   
   assert(!pipe_is_referenced(&mm_buf->base.reference));
   
   mtx_lock(&mm->mutex);
   u_mmFreeMem(mm_buf->block);
   FREE(mm_buf);
   mtx_unlock(&mm->mutex);
}