1 files changed, 76 insertions, 0 deletions
diff --git a/src/gallium/drivers/trace/tr_winsys.h b/src/gallium/drivers/trace/tr_winsys.h
new file mode 100644
index 0000000000..062ddf66a0
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+++ b/src/gallium/drivers/trace/tr_winsys.h
@@ -0,0 +1,76 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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.
+ *
+ **************************************************************************/
+
+#ifndef TR_WINSYS_H_
+#define TR_WINSYS_H_
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_debug.h"
+#include "pipe/p_winsys.h"
+
+
+/**
+ * It often happens that new data is written directly to the user buffers 
+ * without mapping/unmapping. This flag marks user buffers, so that their 
+ * contents can be dumpped before being used by the pipe context.
+ */
+#define TRACE_BUFFER_USAGE_USER  (1 << 31)
+
+
+struct hash_table;
+
+
+struct trace_winsys
+{
+   struct pipe_winsys base;
+   
+   struct pipe_winsys *winsys;
+   
+   struct hash_table *buffer_maps;
+};
+
+
+static INLINE struct trace_winsys *
+trace_winsys(struct pipe_winsys *winsys)
+{
+   assert(winsys);
+   return (struct trace_winsys *)winsys;
+}
+
+
+
+struct pipe_winsys *
+trace_winsys_create(struct pipe_winsys *winsys);
+
+
+void
+trace_winsys_user_buffer_update(struct pipe_winsys *winsys, 
+                                struct pipe_buffer *buffer);
+
+
+#endif /* TR_WINSYS_H_ */