freedreno: add user ptr to fd_ringbuffer

Something for users of fd_ringbuffer to use as they see fit.  (For now,
just so mesa can add some debugging state.)

Signed-off-by: Rob Clark <robclark@freedesktop.org>

diff --git a/freedreno/freedreno_ringbuffer.h b/freedreno/freedreno_ringbuffer.h
index c501fba..0a3d6f7 100644 (file)
--- a/freedreno/freedreno_ringbuffer.h
+++ b/freedreno/freedreno_ringbuffer.h
@@ -47,6 +47,11 @@ struct fd_ringbuffer {
        const struct fd_ringbuffer_funcs *funcs;
        uint32_t last_timestamp;
        struct fd_ringbuffer *parent;
+
+       /* for users of fd_ringbuffer to store their own private per-
+        * ringbuffer data
+        */
+       void *user;
 };
 
 struct fd_ringbuffer * fd_ringbuffer_new(struct fd_pipe *pipe,