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1b2dd815b4
This adds much more comprehensive support for gobject-introspection based bindings by registering all objects as fundamental types that inherit from CoglObject, and all structs as boxed types. Co-Author: Robert Bragg <robert@linux.intel.com> Reviewed-by: Neil Roberts <neil@linux.intel.com>
153 lines
4.7 KiB
C
153 lines
4.7 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2010 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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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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#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION)
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#error "Only <cogl/cogl.h> can be included directly."
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#endif
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#ifndef __COGL_ATTRIBUTE_BUFFER_H__
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#define __COGL_ATTRIBUTE_BUFFER_H__
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/* We forward declare the CoglAttributeBuffer type here to avoid some circular
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* dependency issues with the following headers.
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*/
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typedef struct _CoglAttributeBuffer CoglAttributeBuffer;
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#include <cogl/cogl-context.h>
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#ifdef COGL_HAS_GTYPE_SUPPORT
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#include <glib-object.h>
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#endif
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COGL_BEGIN_DECLS
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/**
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* SECTION:cogl-attribute-buffer
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* @short_description: Functions for creating and manipulating attribute
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* buffers
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*
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* FIXME
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*/
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#define COGL_ATTRIBUTE_BUFFER(buffer) ((CoglAttributeBuffer *)(buffer))
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#ifdef COGL_HAS_GTYPE_SUPPORT
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/**
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* cogl_attribute_buffer_get_gtype:
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*
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* Returns: a #GType that can be used with the GLib type system.
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*/
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GType cogl_attribute_buffer_get_gtype (void);
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#endif
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/**
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* cogl_attribute_buffer_new_with_size:
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* @context: A #CoglContext
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* @bytes: The number of bytes to allocate for vertex attribute data.
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*
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* Describes a new #CoglAttributeBuffer of @size bytes to contain
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* arrays of vertex attribute data. Afterwards data can be set using
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* cogl_buffer_set_data() or by mapping it into the application's
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* address space using cogl_buffer_map().
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*
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* The underlying storage of this buffer isn't allocated by this
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* function so that you have an opportunity to use the
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* cogl_buffer_set_update_hint() and cogl_buffer_set_usage_hint()
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* functions which may influence how the storage is allocated. The
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* storage will be allocated once you upload data to the buffer.
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*
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* Note: You can assume this function always succeeds and won't return
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* %NULL
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*
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* Return value: (transfer full): A newly allocated #CoglAttributeBuffer. Never %NULL.
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*
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* Stability: Unstable
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*/
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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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* cogl_attribute_buffer_new:
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* @context: A #CoglContext
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* @bytes: The number of bytes to allocate for vertex attribute data.
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* @data: (array length=bytes): An optional pointer to vertex data to
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* upload immediately.
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*
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* Describes a new #CoglAttributeBuffer of @size bytes to contain
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* arrays of vertex attribute data and also uploads @size bytes read
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* from @data to the new buffer.
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*
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* You should never pass a %NULL data pointer.
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*
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* <note>This function does not report out-of-memory errors back to
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* the caller by returning %NULL and so you can assume this function
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* always succeeds.</note>
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*
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* <note>In the unlikely case that there is an out of memory problem
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* then Cogl will abort the application with a message. If your
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* application needs to gracefully handle out-of-memory errors then
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* you can use cogl_attribute_buffer_new_with_size() and then
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* explicitly catch errors with cogl_buffer_set_data() or
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* cogl_buffer_map().</note>
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*
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* Return value: (transfer full): A newly allocated #CoglAttributeBuffer (never %NULL)
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*
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* Since: 1.4
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* Stability: Unstable
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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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* cogl_is_attribute_buffer:
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* @object: A #CoglObject
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*
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* Gets whether the given object references a #CoglAttributeBuffer.
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*
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* Returns: %TRUE if @object references a #CoglAttributeBuffer,
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* %FALSE otherwise
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*
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* Since: 1.4
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* Stability: Unstable
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*/
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CoglBool
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cogl_is_attribute_buffer (void *object);
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COGL_END_DECLS
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#endif /* __COGL_ATTRIBUTE_BUFFER_H__ */
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