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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
*
*
* Authors:
* Robert Bragg <robert@linux.intel.com>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl-object-private.h"
#include "cogl-attribute-buffer.h"
#include "cogl-attribute-buffer-private.h"
#include "cogl-context-private.h"
#include "cogl-gtype-private.h"
static void _cogl_attribute_buffer_free (CoglAttributeBuffer *array);
COGL_BUFFER_DEFINE (AttributeBuffer, attribute_buffer);
COGL_GTYPE_DEFINE_CLASS (AttributeBuffer, attribute_buffer);
CoglAttributeBuffer *
cogl_attribute_buffer_new_with_size (CoglContext *context,
size_t bytes)
{
CoglAttributeBuffer *buffer = g_slice_new (CoglAttributeBuffer);
/* parent's constructor */
_cogl_buffer_initialize (COGL_BUFFER (buffer),
context,
bytes,
COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER,
COGL_BUFFER_USAGE_HINT_ATTRIBUTE_BUFFER,
COGL_BUFFER_UPDATE_HINT_STATIC);
return _cogl_attribute_buffer_object_new (buffer);
}
CoglAttributeBuffer *
cogl_attribute_buffer_new (CoglContext *context,
size_t bytes,
const void *data)
{
CoglAttributeBuffer *buffer;
buffer = cogl_attribute_buffer_new_with_size (context, bytes);
/* Note: to keep the common cases simple this API doesn't throw
* CoglErrors, so developers can assume this function never returns
* NULL and we will simply abort on error.
*
* Developers wanting to catch errors can use
* cogl_attribute_buffer_new_with_size() and catch errors when later
* calling cogl_buffer_set_data() or cogl_buffer_map().
*/
/* XXX: NB: for Cogl 2.0 we don't allow NULL data here but we can't
* break the api for 1.x and so we keep the check for now. */
if (data)
_cogl_buffer_set_data (COGL_BUFFER (buffer),
0,
data,
bytes,
NULL);
return buffer;
}
static void
_cogl_attribute_buffer_free (CoglAttributeBuffer *array)
{
/* parent's destructor */
_cogl_buffer_fini (COGL_BUFFER (array));
g_slice_free (CoglAttributeBuffer, array);
}
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