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/**************************************************************************
*
* 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 "util/u_simple_list.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));
pipe_reference_init(&tr_buf->base.reference, 1);
tr_buf->base.screen = &tr_scr->base;
tr_buf->buffer = buffer;
trace_screen_add_to_list(tr_scr, buffers, tr_buf);
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(buffer);
trace_screen_remove_from_list(tr_scr, buffers, tr_buf);
pipe_buffer_reference(&tr_buf->buffer, NULL);
FREE(tr_buf);
}
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