From 2f07e1caa02c9dcdddc673e61eb91b83b82d283b Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 8 May 2008 17:42:18 -0600
Subject: [PATCH] gallium: fix render to depth texture

---
 src/mesa/state_tracker/st_atom_framebuffer.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index c9a30e44b24..d46c3ee16c5 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -127,6 +127,11 @@ update_framebuffer_state( struct st_context *st )
    strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
    if (strb) {
       strb = st_renderbuffer(strb->Base.Wrapped);
+      if (strb->rtt) {
+         /* rendering to a GL texture, may have to update surface */
+         update_renderbuffer_surface(st, strb);
+      }
+
       assert(strb->surface);
       framebuffer->zsbuf = strb->surface;
    }