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3a4a858ce3
This macro was introduced so as to be able to be built without GLib. However, this feature was long ago removed, and in Mutter we depend on it anyway, so let's get rid of it in favor of more consistency.
139 lines
4.2 KiB
C
139 lines
4.2 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) 2008,2009,2010 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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* Damien Lespiau <damien.lespiau@intel.com>
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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_PIXEL_BUFFER_H__
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#define __COGL_PIXEL_BUFFER_H__
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/* XXX: We forward declare CoglPixelBuffer here to allow for circular
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* dependencies between some headers */
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typedef struct _CoglPixelBuffer CoglPixelBuffer;
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#include <cogl/cogl-types.h>
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#include <cogl/cogl-context.h>
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define COGL_PIXEL_BUFFER(buffer) ((CoglPixelBuffer *)(buffer))
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/**
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* CoglPixelBuffer: (skip)
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*/
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/**
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* cogl_pixel_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_pixel_buffer_get_gtype (void);
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/**
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* cogl_pixel_buffer_new:
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* @context: A #CoglContext
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* @size: The number of bytes to allocate for the pixel data.
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* @data: An optional pointer to vertex data to upload immediately
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*
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* Declares a new #CoglPixelBuffer of @size bytes to contain arrays of
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* pixels. Once declared, data can be set using cogl_buffer_set_data()
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* or by mapping it into the application's address space using
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* cogl_buffer_map().
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*
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* If @data isn't %NULL then @size bytes will be read from @data and
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* immediately copied into the new buffer.
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*
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* Return value: (transfer full): a newly allocated #CoglPixelBuffer
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*
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* Since: 1.10
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* Stability: unstable
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*/
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CoglPixelBuffer *
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cogl_pixel_buffer_new (CoglContext *context,
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size_t size,
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const void *data);
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/**
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* cogl_is_pixel_buffer:
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* @object: a #CoglObject to test
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*
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* Checks whether @object is a pixel buffer.
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*
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* Return value: %TRUE if the @object is a pixel buffer, and %FALSE
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* otherwise
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*
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* Since: 1.2
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* Stability: Unstable
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*/
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CoglBool
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cogl_is_pixel_buffer (void *object);
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#if 0
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/*
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* cogl_pixel_buffer_set_region:
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* @buffer: A #CoglPixelBuffer object
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* @data: pixel data to upload to @array
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* @src_width: width in pixels of the region to update
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* @src_height: height in pixels of the region to update
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* @src_rowstride: row stride in bytes of the source array
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* @dst_x: upper left destination horizontal coordinate
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* @dst_y: upper left destination vertical coordinate
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*
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* Uploads new data into a pixel array. The source data pointed by @data can
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* have a different stride than @array in which case the function will do the
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* right thing for you. For performance reasons, it is recommended for the
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* source data to have the same stride than @array.
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*
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* Return value: %TRUE if the upload succeeded, %FALSE otherwise
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*
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* Since: 1.2
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* Stability: Unstable
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*/
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CoglBool
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cogl_pixel_buffer_set_region (CoglPixelBuffer *buffer,
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uint8_t *data,
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unsigned int src_width,
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unsigned int src_height,
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unsigned int src_rowstride,
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unsigned int dst_x,
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unsigned int dst_y);
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#endif
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G_END_DECLS
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#endif /* __COGL_PIXEL_BUFFER_H__ */
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