From 9e41d547db6669ff669f1d60cb35df9edf306370 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Thu, 20 Dec 2007 13:47:11 +0000
Subject: [PATCH] 965: respect pipe flush flags

Now we emit way too many flushes instead of none at all.
---
 src/mesa/pipe/i965simple/brw_batch.h |  2 ++
 src/mesa/pipe/i965simple/brw_curbe.c |  1 +
 src/mesa/pipe/i965simple/brw_flush.c | 20 ++++++++------------
 src/mesa/pipe/i965simple/brw_state.h |  1 -
 src/mesa/pipe/i965simple/brw_urb.c   |  3 ++-
 5 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/src/mesa/pipe/i965simple/brw_batch.h b/src/mesa/pipe/i965simple/brw_batch.h
index bef69ac..8605d7c 100644
--- a/src/mesa/pipe/i965simple/brw_batch.h
+++ b/src/mesa/pipe/i965simple/brw_batch.h
@@ -53,4 +53,6 @@
    brw->hardware_dirty = ~0;				\
 } while (0)
 
+#define BRW_BATCH_STRUCT(brw, s) brw_batchbuffer_data( brw->winsys, (s), sizeof(*(s)))
+
 #endif
diff --git a/src/mesa/pipe/i965simple/brw_curbe.c b/src/mesa/pipe/i965simple/brw_curbe.c
index ee20e00..785affa 100644
--- a/src/mesa/pipe/i965simple/brw_curbe.c
+++ b/src/mesa/pipe/i965simple/brw_curbe.c
@@ -34,6 +34,7 @@
 #include "brw_context.h"
 #include "brw_defines.h"
 #include "brw_state.h"
+#include "brw_batch.h"
 #include "brw_util.h"
 #include "brw_wm.h"
 #include "pipe/p_state.h"
diff --git a/src/mesa/pipe/i965simple/brw_flush.c b/src/mesa/pipe/i965simple/brw_flush.c
index 1f11c5f..5216c68 100644
--- a/src/mesa/pipe/i965simple/brw_flush.c
+++ b/src/mesa/pipe/i965simple/brw_flush.c
@@ -49,22 +49,18 @@ static void brw_flush( struct pipe_context *pipe,
     * caches?
     */
    if (flags & (PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_TEXTURE_CACHE)) {
-      unsigned flush = CMD_MI_FLUSH;
-      
-#if 0
+      struct brw_mi_flush flush;
+
+      memset(&flush, 0, sizeof(flush));      
+      flush.opcode = CMD_MI_FLUSH;
+
       if (!(flags & PIPE_FLUSH_RENDER_CACHE))
-	 flush |= INHIBIT_FLUSH_RENDER_CACHE;
+	 flush.flags |= BRW_INHIBIT_FLUSH_RENDER_CACHE;
 
       if (flags & PIPE_FLUSH_TEXTURE_CACHE)
-	 flush |= FLUSH_MAP_CACHE;
-#endif
+	 flush.flags |= BRW_FLUSH_READ_CACHE;
 
-      if (!BEGIN_BATCH(1, 0)) {
-	 FLUSH_BATCH( &fence );
-	 assert(BEGIN_BATCH(1, 0));
-      }
-      OUT_BATCH( flush );
-      ADVANCE_BATCH();
+      BRW_BATCH_STRUCT(brw, &flush);
    }
 
    /* If there are no flags, just flush pending commands to hardware:
diff --git a/src/mesa/pipe/i965simple/brw_state.h b/src/mesa/pipe/i965simple/brw_state.h
index 62055e5..8b4d7aa 100644
--- a/src/mesa/pipe/i965simple/brw_state.h
+++ b/src/mesa/pipe/i965simple/brw_state.h
@@ -115,7 +115,6 @@ static inline struct pipe_buffer_handle *brw_cache_buffer(struct brw_context *br
 /***********************************************************************
  * brw_state_batch.c
  */
-#define BRW_BATCH_STRUCT(brw, s) brw_batchbuffer_data( brw->winsys, (s), sizeof(*(s)))
 #define BRW_CACHED_BATCH_STRUCT(brw, s) brw_cached_batch_struct( brw, (s), sizeof(*(s)) )
 
 boolean brw_cached_batch_struct( struct brw_context *brw,
diff --git a/src/mesa/pipe/i965simple/brw_urb.c b/src/mesa/pipe/i965simple/brw_urb.c
index 8cc86e2..b284526 100644
--- a/src/mesa/pipe/i965simple/brw_urb.c
+++ b/src/mesa/pipe/i965simple/brw_urb.c
@@ -31,7 +31,8 @@
 
 
 #include "brw_context.h"
-#include "brw_state.h"
+//#include "brw_state.h"
+#include "brw_batch.h"
 #include "brw_defines.h"
 
 #define VS 0
-- 
2.7.4