From e4848d21e8f384f4157076d5e7c7c9d38da6598e Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olv@lunarg.com>
Date: Wed, 10 Mar 2010 22:20:15 +0800
Subject: [PATCH] gallium: Do not mix winsys-drawable-handle and
 context-private.

update_buffer should be called with context-private, not
winsys-drawable-handle.
---
 src/gallium/include/pipe/p_screen.h          |  5 ++++-
 src/gallium/state_trackers/vega/vg_tracker.c | 10 +---------
 src/mesa/state_tracker/st_cb_flush.c         |  2 +-
 src/mesa/state_tracker/st_context.c          |  2 +-
 src/mesa/state_tracker/st_context.h          |  1 +
 5 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 690455f7222..b771bfe85ec 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -265,6 +265,7 @@ struct pipe_screen {
 
    /**
     * Do any special operations to ensure buffer size is correct
+    * \param context_private  the private data of the calling context
     */
    void (*update_buffer)( struct pipe_screen *ws,
                           void *context_private );
@@ -272,10 +273,12 @@ struct pipe_screen {
    /**
     * Do any special operations to ensure frontbuffer contents are
     * displayed, eg copy fake frontbuffer.
+    * \param winsys_drawable_handle  an opaque handle that the calling context
+    *                                gets out-of-band
     */
    void (*flush_frontbuffer)( struct pipe_screen *screen,
                               struct pipe_surface *surf,
-                              void *context_private );
+                              void *winsys_drawable_handle );
 
 
 
diff --git a/src/gallium/state_trackers/vega/vg_tracker.c b/src/gallium/state_trackers/vega/vg_tracker.c
index a002e50faf7..ea5c2ce41f6 100644
--- a/src/gallium/state_trackers/vega/vg_tracker.c
+++ b/src/gallium/state_trackers/vega/vg_tracker.c
@@ -380,16 +380,8 @@ boolean st_make_current(struct vg_context *st,
                         void *winsys_drawable_handle)
 {
    vg_set_current_context(st);
-   if (st) {
+   if (st)
       st->draw_buffer = draw;
-
-      /* VG state tracker doesn't seem to do front-buffer rendering
-       * (no calls to flush_frontbuffer).  If it ever did start doing
-       * that, it would need to pass this value down in the
-       * flush_frontbuffer call:
-       */
-      st->pipe->priv = winsys_drawable_handle;
-   }
    return VG_TRUE;
 }
 
diff --git a/src/mesa/state_tracker/st_cb_flush.c b/src/mesa/state_tracker/st_cb_flush.c
index 1329f807bc9..28a384ba49b 100644
--- a/src/mesa/state_tracker/st_cb_flush.c
+++ b/src/mesa/state_tracker/st_cb_flush.c
@@ -79,7 +79,7 @@ display_front_buffer(struct st_context *st)
       /* Hook for copying "fake" frontbuffer if necessary:
        */
       st->pipe->screen->flush_frontbuffer( st->pipe->screen, front_surf,
-                                           st->pipe->priv );
+                                           st->winsys_drawable_handle );
 
       /*
         st->frontbuffer_status = FRONT_STATUS_UNDEFINED;
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 09f891d691a..ca6d4dfb069 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -287,7 +287,7 @@ st_make_current(struct st_context *st,
       }
 
       _mesa_check_init_viewport(st->ctx, draw->InitWidth, draw->InitHeight);
-      st->pipe->priv = winsys_drawable_handle;
+      st->winsys_drawable_handle = winsys_drawable_handle;
 
       return GL_TRUE;
    }
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 6622361a7e3..e2d34fb3d10 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -185,6 +185,7 @@ struct st_context
    struct cso_context *cso_context;
 
    int force_msaa;
+   void *winsys_drawable_handle;
 };
 
 
-- 
2.11.0