mutter/cogl/cogl-attribute-buffer.h

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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>
*/
#if !defined(__COGL_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL_ATTRIBUTE_BUFFER_H__
#define __COGL_ATTRIBUTE_BUFFER_H__
/* We forward declare the CoglAttributeBuffer type here to avoid some circular
* dependency issues with the following headers.
*/
typedef struct _CoglAttributeBuffer CoglAttributeBuffer;
#include <cogl/cogl-context.h>
G_BEGIN_DECLS
/**
* SECTION:cogl-attribute-buffer
* @short_description: Functions for creating and manipulating attribute
* buffers
*
* FIXME
*/
#define COGL_ATTRIBUTE_BUFFER(buffer) ((CoglAttributeBuffer *)(buffer))
/**
* cogl_attribute_buffer_new:
* @context: A #CoglContext
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* @bytes: The number of bytes to allocate for vertex attribute data.
* @data: An optional pointer to vertex data to upload immediately.
*
* Declares a new #CoglAttributeBuffer of @size bytes to contain arrays of vertex
* attribute data. Once declared, data can be set using cogl_buffer_set_data()
* or by mapping it into the application's address space using cogl_buffer_map().
*
* If @data isn't %NULL then @size bytes will be read from @data and
* immediately copied into the new buffer.
*
* Since: 1.4
* Stability: Unstable
*/
CoglAttributeBuffer *
cogl_attribute_buffer_new (CoglContext *context,
size_t bytes,
const void *data);
/**
* cogl_is_attribute_buffer:
* @object: A #CoglObject
*
* Gets whether the given object references a #CoglAttributeBuffer.
*
* Returns: %TRUE if @object references a #CoglAttributeBuffer,
* %FALSE otherwise
*
* Since: 1.4
* Stability: Unstable
*/
CoglBool
cogl_is_attribute_buffer (void *object);
G_END_DECLS
#endif /* __COGL_ATTRIBUTE_BUFFER_H__ */