Mesa (master): postprocess: document the pp_init() function.

[Brian Paul]

Module: Mesa
Branch: master
Commit: 7cf40c1cb33bdc78cf2297fa4dc5f249179b39a9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7cf40c1cb33bdc78cf2297fa4dc5f249179b39a9

Author: Brian Paul <brianp at vmware.com>
Date:   Sat Nov 16 13:55:50 2013 -0700

postprocess: document the pp_init() function.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/auxiliary/postprocess/postprocess.h |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/src/gallium/auxiliary/postprocess/postprocess.h b/src/gallium/auxiliary/postprocess/postprocess.h
index 1db581c..c72f2c4 100644
--- a/src/gallium/auxiliary/postprocess/postprocess.h
+++ b/src/gallium/auxiliary/postprocess/postprocess.h
@@ -41,8 +41,15 @@ typedef void (*pp_func) (struct pp_queue_t *, struct pipe_resource *,
 
 /* Main functions */
 
-struct pp_queue_t *pp_init(struct pipe_context *pipe, const unsigned int *,
+/**
+ * Note enabled is an array of values, one per filter stage.
+ * Zero indicates the stage is disabled.  Non-zero indicates the
+ * stage is enabled.  For some stages, the value controls quality.
+ */
+struct pp_queue_t *pp_init(struct pipe_context *pipe,
+                           const unsigned int *enabled,
                            struct cso_context *);
+
 void pp_run(struct pp_queue_t *, struct pipe_resource *,
             struct pipe_resource *, struct pipe_resource *);
 void pp_free(struct pp_queue_t *);