-struct st_softpipe_buffer
-{
- struct pipe_buffer base;
- boolean userBuffer; /** Is this a user-space buffer? */
- void *data;
- void *mapped;
-};
-
-
-/** Cast wrapper */
-static INLINE struct st_softpipe_buffer *
-st_softpipe_buffer( struct pipe_buffer *buf )
-{
- return (struct st_softpipe_buffer *)buf;
-}
-
-
-static void *
-st_softpipe_buffer_map(struct pipe_winsys *winsys,
- struct pipe_buffer *buf,
- unsigned flags)
-{
- struct st_softpipe_buffer *st_softpipe_buf = st_softpipe_buffer(buf);
- st_softpipe_buf->mapped = st_softpipe_buf->data;
- return st_softpipe_buf->mapped;
-}
-
-
-static void
-st_softpipe_buffer_unmap(struct pipe_winsys *winsys,
- struct pipe_buffer *buf)
-{
- struct st_softpipe_buffer *st_softpipe_buf = st_softpipe_buffer(buf);
- st_softpipe_buf->mapped = NULL;
-}
-
-
-static void
-st_softpipe_buffer_destroy(struct pipe_buffer *buf)
-{
- struct st_softpipe_buffer *oldBuf = st_softpipe_buffer(buf);
-
- if (oldBuf->data) {
- if (!oldBuf->userBuffer)
- align_free(oldBuf->data);
-
- oldBuf->data = NULL;
- }
-
- FREE(oldBuf);
-}
-
-
-static void
-st_softpipe_flush_frontbuffer(struct pipe_winsys *winsys,
- struct pipe_surface *surf,
- void *context_private)
-{
-}
-
-
-
-static const char *
-st_softpipe_get_name(struct pipe_winsys *winsys)
-{
- return "softpipe";
-}
-
-
-static struct pipe_buffer *
-st_softpipe_buffer_create(struct pipe_winsys *winsys,
- unsigned alignment,
- unsigned usage,
- unsigned size)