Add flush/finish functionality to pipe.

Not sure if finish() is the right interface yet.

1 files changed, 57 insertions, 0 deletions

diff --git a/src/mesa/pipe/softpipe/sp_flush.c b/src/mesa/pipe/softpipe/sp_flush.c
new file mode 100644
index 0000000000..aa609469a6
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_flush.c
@@ -0,0 +1,57 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "pipe/p_defines.h"
+#include "sp_flush.h"
+#include "sp_context.h"
+
+/* There will be actual work to do here.  In future we may want a
+ * fence-like interface instead of finish, and perhaps flush will take
+ * flags to indicate what type of flush is required.
+ */
+void
+softpipe_flush( struct pipe_context *pipe,
+		unsigned flags )
+{
+   /* - flush the quad pipeline
+    * - flush the texture cache
+    * - flush the render cache
+    */
+}
+
+void
+softpipe_finish(struct pipe_context *pipe)
+{
+   /* Just calls into flush()
+    */
+   softpipe_flush( pipe, 0 );
+}