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