1 files changed, 68 insertions, 0 deletions
diff --git a/src/gallium/drivers/trace/tr_buffer.c b/src/gallium/drivers/trace/tr_buffer.c
new file mode 100644
index 00000000000..12c491c571d
--- /dev/null
+++ b/src/gallium/drivers/trace/tr_buffer.c
@@ -0,0 +1,68 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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.
+ *
+ **************************************************************************/
+
+
+#include "util/u_memory.h"
+
+#include "tr_buffer.h"
+
+
+struct pipe_buffer *
+trace_buffer_create(struct trace_screen *tr_scr,
+                    struct pipe_buffer *buffer)
+{
+   struct trace_buffer *tr_buf;
+
+   if(!buffer)
+      goto error;
+
+   assert(buffer->screen == tr_scr->screen);
+
+   tr_buf = CALLOC_STRUCT(trace_buffer);
+   if(!tr_buf)
+      goto error;
+
+   memcpy(&tr_buf->base, buffer, sizeof(struct pipe_buffer));
+   tr_buf->base.screen = &tr_scr->base;
+   tr_buf->buffer = buffer;
+
+   return &tr_buf->base;
+
+error:
+   pipe_buffer_reference(&buffer, NULL);
+   return NULL;
+}
+
+
+void
+trace_buffer_destroy(struct trace_screen *tr_scr,
+                     struct pipe_buffer *buffer)
+{
+   struct trace_buffer *tr_buf = trace_buffer(tr_scr, buffer);
+   pipe_buffer_reference(&tr_buf->buffer, NULL);
+   FREE(tr_buf);
+}